Answers
Answer:
The bucket is taking in oxygen which makes the water inside the hot and thermometer solid its not clear because its taking in energy.
Answer:
hhahahha i need my points on my alt account
Explanation:
Related Questions
Question on my study about Charles Darwin and his theory of evolution...
Compare the fossils of horse ancestors wither the structures of a modern horse. According to the fossil record, which species in the horses' ancestry was likely the first to run on three toes?
a. merychippus
b. hyracotherium
c. mesohippus
d. pliohippus
Answers
Hyracotherium, also known as Eohippus, is considered the earliest known ancestor of the modern horse. Fossil evidence indicates that it was a small animal, standing only about 12 to 14 inches tall at the shoulder, and it had four toes on its front feet and three toes on its hind feet.
Over time, the horse evolved to become larger and faster, and its toes also underwent changes. Fossils of later horse ancestors such as Mesohippus, Merychippus, and Pliohippus show a gradual reduction in the number of toes until only a single toe remains. The modern horse has a single toe on each foot, which is supported by a single large bone, the equivalent of the middle toe in the human foot.
Therefore, according to the fossil record, Hyracotherium or Eohippus was the species in the horses' ancestry that was likely the first to run on three toes.
what differences if any, would assay show if performed using milk that was past its expiration date and had an off-putting odor.
Answers
Answer:
The color will disappear.
Explanation:
Due to the absence of oxygen in the expired milk, the actual color of milk disappear. There are certain bacteria such as Pseudomonas present in the milk which is responsible for the change in color. With the passage of time, Pseudomonas starts growing in the milk and release certain toxin which spoils milk. They grow in both condition i. e. in the presence and absence of oxygen. Change in color is due to chemical releases by Pseudomonas.
Which process will decrease the level of carbon dioxide in the atmosphere
Answers
Answer:Carbon sequestration
Explanation:
Carbon sequestration is the process of capturing and storing atmospheric carbon dioxide. It is one method of reducing the amount of carbon dioxide in the atmosphere with the goal of reducing global climate change.
Seer
Calls of the epidermis derives from stem cells of the stratum basale . Desenbe how the cell change as they become integrated into different layers of the epidermis.
Answers
The stratum basale's stem cells are the source of the epidermis' cells. Keratin, keratohyalin, and cell membranes make up the stratum lucidum and stratum corneum. As cells break down, their nuclei and other organelles are eliminated.
Which epidermal cells are descended from stratum basale stem cells?A single layer of cells made primarily of basal cells is known as the stratum basale. A basal cell is a cuboidal-shaped stem cell that is a progenitor of the keratinocytes of the epidermis.
What are the stratum basale layer of the epidermis stem cells responsible for?The main product of melanocytes, which are descended from neural crest cells, is melanin, which gives skin its pigment. They live in the gaps between cells.
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Question 2 (1 point)
The theory that all of the continents were once in one location in the form of a
"supercontinent" is called...
Pygmalion
Patagonia
Pangea
Ponderosa
Answers
Answer:
Pangaea
Explanation:
continental drift
Alfred Wegener proposed that the continents were once united into a single supercontinent named Pangaea, meaning all earth in ancient Greek. He suggested that Pangaea broke up long ago and that the continents then moved to their current positions. He called his hypothesis continental drift.
Answer:
I think it's the 3 one
Explanation:
How is selective pressure related to evolution?
A. Selective pressure can be a driving force of evolution.
B. Selective pressure is the same as evolution.
C. Selective pressure ensures that evolution has an end product.
D. Selective pressure causes evolution to proceed randomly.
Answers
Selective pressure can be a driving force of evolution; option A.
What is selective pressure?Selective pressure refers to external forces which affect an organism's ability to survive in a given environment.
Selective pressure can either decrease or increase the occurrence of a trait.
Therefore, selective pressure can be a driving force of evolution.
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Which of the following is an example of an "autotroph"? A. Deer B. Shark C. Human D. Grass
Answers
Which kind of signal is produced by the heart cardiacs and triceps of the arm
Answers
Answer:
Bones also protect the organs in our bodies. The skull protects the brain and forms the shape of the face. The spinal cord, a pathway for messages between the brain and the body, is protected by the backbone, or spinal column. The ribs form a cage that shelters the heart and lungs, and the pelvis helps protect the bladder, part of the intestines, and in women, the reproductive organs.
Explanation:
Bones are made up of a framework of a protein called collagen , with a mineral called calcium phosphate that makes the framework hard and strong. Bones store calcium and release some into the bloodstream when it's needed by other parts of the body. The amounts of certain vitamins and minerals that you eat, especially vitamin D and calcium, directly affect how much calcium is stored in the bones.
Answer:
The heart cardiacs produces ElectroCardiogram Signals (ECG)
Triceps produce ElectroMechanical Signals
Explanation:
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As a persons ages his or her bones tend to become brittle. This happens as ______ is lost from bone
A.Protein
B.Iron
C.Marrow
D.Calcium
Answers
Answer:
D
Explanation: the bones can becomew brittle from not haveing calcium
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Scientists studying a population of fruit flies observe that a small percentage of the population mates in the morning while the rest of the population mates at night. Scientists predict that over time the population that mates in the morning and the populations that mates at night will become different species. Which of the following best supports the scientists prediction that speciation will occur in the fruit fly population?
a. There will be fewer offspring produced in the population of fruit flies that mates in the morning than in the population that mates at night.
b. There will be structural differences in the reproductive organs of the fruit flies in the populations that mates in the morning and those of the fruit flies in the population that mates at night.
c. There will be increasing geographic isolation between the population of fruit flies that mates in the morning and the population of fruit flies that mates at night.
d. There will be an accumulation of genetic differences between the population of fruit flies that mates in the morning and the population of fruit flies that mates at night.
Answers
Answer:
B: There will be structural differences in the reproductive organs of the fruit flies in the populations that mates in the morning and those of the fruit flies in the population that mates at night.
Explanation: I just finished the quiz!
12. What is true of a chemical change?
A.
C.
They do not create new substances
It cannot be seen on the molecular
level
B.
It cannot be smelled
D.
The do create new substances
Answers
Answer:
D
Explanation:
many chemical changes can be smelled, or heard, etc. And can be seen on a molecular level. Chemical changes create new substances:
Na + Cl = NaCl
Active and passive transport of solutes across a membrane typically differ in which of the following ways?
a.Active transport is usually down the concentration gradient of the solute, whereas passive transport is always against the concentration gradient of the solute.
b.Active transport always involves the utilization of cellular energy, whereas passive transport does not requires cellular energy.
c.Active transport is always faster than passive transport.
d.Active transport uses protein carriers, whereas passive transport uses carbohydrate carriers.
e.Active transport is used for ions, passive transport is used for uncharged solutes
Answers
Active transport always involves the utilization of cellular energy, whereas passive transport does not requires cellular energy.
Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP. On the other hand, passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.
Passive mechanisms like diffusion use no energy, while active transport requires energy to get done. key differences also include Passive transport moves molecules with the concentration gradient (high to low), while active transport moves molecules against the concentration gradient (Low to High).
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what organelle is similar to the muscular system
Answers
A physician orders aztreonam 500 mg IM tid (three times a day) for a child with a urinary tract infection. The child weighs 44 pounds. The manufacturer recommends a dose of 30 mg/kg q8h, not to exceed 120 mg/kg per day. If aztreonam is available for injection as 1 gram(g) per 2 mL, how many mL would be injected per dose?
Answers
How is acid mine drainage produced?
Water seeps into subsurface mine tunnels and hazardous chemicals leach out of rocks into the water.
Coal companies often spill chemicals around the mine, and they drain into surface lakes.
Overburden is dumped into rivers below the mining site and contaminates the waters.
The coal mining releases toxic chemicals into underground streams.
Answers
The correct option is: Water seeps into subsurface mine tunnels and hazardous chemicals leach out of rocks into the water
Acid mine drainage is produced by the seeping of water into subsurface mine tunnels and the hazardous chemicals leaching out of rocks into the water. .What is acid mine drainage?Acid mine drainage is a kind of pollution that arises from the release of acidic water from mining sites.
This happens when sulfide minerals are exposed to air and water, producing sulfuric acid. The polluted water, often toxic, leaks into nearby water bodies, destroying aquatic life, and polluting drinking water. Acid mine drainage also leads to soil erosion and flooding.
The phenomenon of acid mine drainage is quite prevalent in mining regions, where companies extract coal, iron, zinc, and other metals. Acid mine drainage is a significant environmental issue that needs to be addressed with a comprehensive approach to control, prevent, and treat the polluted water.
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. How are the reactants represented in the chemical equation for photosynthesis?
6CO2 + O2
6CO2 + 6H2O
C6H12O6 + 6O2
C6H12O6 + 6H2O
Answers
Answer: The reactants in the chemical equation for photosynthesis are represented by the equation:
6CO2 + 6H2O
This equation shows that carbon dioxide (CO2) and water (H2O) are the reactants involved in the process of photosynthesis.
Explanation:)
What is the purpose of natural selection?
Answers
Answer:
The purpose of natural selection is not a conscious or intentional one, as it is not driven by a specific goal or purpose. Instead, natural selection is a fundamental process in biology that acts on heritable traits within populations over generations. It is a key mechanism of evolution.
Explanation:
The primary outcome of natural selection is the adaptation of organisms to their environment. Individuals with traits that are advantageous in a particular environment are more likely to survive, reproduce, and pass on those beneficial traits to their offspring. Conversely, individuals with traits that are disadvantageous are less likely to survive and reproduce, leading to a reduction in the frequency of those traits in the population over time.
Natural selection, therefore, acts as a filter that shapes the characteristics of populations, favoring traits that enhance an organism's survival and reproductive success in a given environment. Over many generations, this process can lead to the development of new species or the modification of existing ones, as populations accumulate adaptations that allow them to thrive in different ecological niches.
It's important to note that natural selection does not have an end goal in mind, nor does it necessarily lead to the "best" or most advanced organisms. Instead, it is a consequence of the interactions between organisms and their environment, constantly shaping and refining the traits of living beings based on their ability to survive and reproduce.
what is reproduction ? hxhtojuqat
Answers
Answer:
Explanation:
It is the process of offspring thougt sexual or asexual process
3. What do you think will happen if due to a new disease in a forest ecosystem,
the population of spider monkeys starts to decline? Will other organisms be
affected? How?
Answers
Answer:
The decline of spider monkey populations in a forest ecosystem due to a new disease could have far-reaching consequences for other organisms within that ecosystem. Spider monkeys play a vital role as key arboreal mammals, influencing various ecological processes through their feeding, movement, and seed dispersal activities. Their decline could disrupt the delicate balance of the forest ecosystem and impact other organisms in significant ways.
Explanation:
Disruption of Seed Dispersal: Spider monkeys are important seed dispersers, as they consume a variety of fruits and disperse the undigested seeds through their feces. With a decline in spider monkey population, there would be a reduction in their seed dispersal activities. This could lead to a decrease in the number of new trees and plant species being established in the forest, affecting forest regeneration and diversity.Predatory Effects: Spider monkeys are prey for various predators, such as large birds of prey, jaguars, and other carnivorous mammals. A decline in spider monkey populations could affect the predator-prey dynamics in the ecosystem. Predators that rely on spider monkeys as a food source may experience a decline in their own populations or need to switch to alternative prey, which could impact the population dynamics of those species.Trophic Cascade: Spider monkeys also contribute to a trophic cascade effect in the ecosystem. As they consume fruits and disperse seeds, they influence the abundance and distribution of plants, which in turn affects other organisms dependent on those plants. The decline of spider monkeys could disrupt this cascade, altering the abundance of plant species and subsequently impacting herbivores, insects, and other organisms that rely on those plants for food and habitat.Overall, the decline of spider monkeys in a forest ecosystem due to a new disease would have cascading effects on the ecosystem's structure and function. It could lead to reduced plant diversity, changes in predator-prey dynamics, and alterations in the abundance and distribution of various organisms within the ecosystem. These impacts highlight the interconnectedness of species in ecosystems and emphasize the importance of preserving and protecting biodiversity for the overall health and stability of ecosystems.
How would you explain the key concepts for the CWA in less than two minutes?
Answers
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
What is the correct equation for the breakdown of ozone? please answer quick
Answers
Answer: This electricity converts the oxygen molecule to ozone. Our equation is as follows: 3O2 + energy = 2O3.
The correct equation for the breakdown of ozone can typically occur in a series of two steps known as the destruction of ozone. It is illustrated thus;
Cl + O3 ⇒ ClO + O2ClO + O ⇒ Cl + O2The net reaction of the above process is the reaction of an oxygen atom with an ozone particle to form two molecules of oxygen.
The catalyst in this reaction is chlorine because it undergoes changes as the process continues while ozone is removed in the process. In the presence of sunlight, atomic oxygen is formed.
This entire process is referred to as the destruction of ozone.
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6. Rebecca wants to see if her kitten prefers new chicken flavored treats over her
usual beef flavored treats. She puts 10 chicken treats in one bowl and 10 beef
flavored treats in another bowl. She sees which treats her kitten eats first and
repeats this experiment for 3 days,
a. Independent Variable =_
b. Dependent Variable =
c. Control =
Answers
Answer:
independent: treat flavor
dependent: which treat the kitten eats first
control: beef flavored treat
Explanation:
In Rebecca's experiment, the independent variable is the type of treat, the dependent variable is the kitten's preference of treat, and the control includes factors such as the number of treats in each bowl and the timing of the experiment.
Explanation:In this experiment, the independent variable is the type of treats given to the kitten, either chicken flavored or beef flavored. The dependent variable is the kitten's preference, determined by which bowl the kitten eats from first. The control could be factors like the number of treats in each bowl (which is kept constant at ten), the time of the experiment, the location of the bowls, etc, which are kept unchanged in the experiment to ensure that any change in the kitten's behavior can be attributed to the change in the variable being tested, not due to some extraneous factors.
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Bone does not amplify sound during speaking is _____________________
Answers
Answer:
Bone is a solid tissue, which resists a high impact of forces in its major axis.
The function of this fabric is not to transmit sounds, since it does not provide the elasticity, and the necessary elongation that is needed to generate the rope effect as in the case of muzzle cords.
Explanation:
The more rigid and less elastic the fabric is, the less sound it will transmit.
Sound strings, or mouth strings, are those that tighten, are flexible and resonate with different vibrations, in the case of bone tissue, sound vibrations are not influenced in their conformation because they do not have the ability to transmit them. .
The bone tissue, transmits impact forces or high newton levels, does not fulfill the function of transmitting vibrations and emitting sounds in terms of this type of vibrations and their frequencies.
Question 1 of 30
Scientific research shows that Earth's climate is changing due to human
activities. How can scientific research on climate change help us prepare for
the future?
OA. It can help us stop storms before they occur.
B. It can help us improve water conservation efforts.
OC. It can help us cool down the planet before it gets too hot.
OD. It can help us find a new way to make more water.
Answers
Scientific research can help us to prepare for the future by helping us improve water conservation efforts. Option B
What does science help us do?Information regarding changes in precipitation patterns, water availability, and water quality can be found in scientific studies on climate change.
By implementing initiatives to save water resources, such as enhancing irrigation systems, reducing water waste, and creating more efficient water-use practices, this information can assist policymakers and communities in preparing for the future.
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Allopatric speciation is most likely to occur when a ______ population is separated from the ______ population.
HELP PLEASEEE
Answers
Order the steps of humoral immunity from top to bottom
Answers
Humoral immunity is a type of immune response that involves the production of antibodies by B cells in response to the presence of foreign substances called antigens. Antigens can be proteins, carbohydrates, or other molecules that are recognized as foreign by the immune system.
When B cells encounter an antigen that matches their specific antigen receptor, they are activated and differentiate into plasma cells, which produce large quantities of antibodies that circulate in the blood and lymphatic system.
These antibodies can bind to and neutralize the antigen, and also mark it for destruction by other immune cells. Humoral immunity plays a critical role in protecting the body against infections caused by bacteria, viruses, fungi, and parasites, and also in providing immunity against some types of cancer.
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Some bird species, like the oxpecker seen here, have a special relationship with certain large mammals, including
rhinos, giraffes, and zebras. Oxpeckers land on the zebras and eat ticks and other parasites that live on their skin. The
oxpeckers get food while the zebras get pest control. Additionally, oxpeckers fly up and scream a warning to zebras
when danger is present. This behavior is an example of what type of relationship?
A)
co-evolutionary
Eliminate
B)
mutualistic
parasitic
D)
predator-prey
Answers
Answer:
This is a mutualistic relationship
QUICK HELP!! Cells exchange materials with the environment around them. What is the main reason for this?
A.
to replace damaged and dying cells
B.
to keep the cell membrane functioning
C.
to release energy into the environment
D.
to get rid of wastes and take in nutrients
Answers
Cells exchange materials with the environment around them because they get rid of wastes and take in nutrients. Thus, the correct option is D.
What is Cellular exchange?A Cellular exchange may be defined as the process through which waste products and other toxins within muscles are interchanged with healthy nutrients and oxygen.
When the biological process of cellular exchange increases, muscles become healthier and stronger as compared to normal and are less likely to cause abnormal circumstances like fatigue and weakening.
Therefore, the main reason for the cellular exchange is to get rid of waste and take in nutrients. Thus, the correct option is D.
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An introduced species that's sometimes harmful to the prairie chicken (native species) is
Answers
Answer:
Ring-Necked Pheasants
Explanation:
Ring-Necked Pheasants are known to be nest parasites to the Prairie-Chicken and can disrupt Booming Grounds and Feeding Areas. This puts Prairie-Chickens under the endangered list.
Which of the following statements is true of a gene that is active (expressed)?
Answers
A.The DNA corresponding to the gene is tightly wound around histones.
Answer:
There are many acetyl molecules attached to the histones associated with the gene.
Explanation:
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