A magma body from underneath a volcano with a high viscosity and dissolved gas content has a higher explosive potential. (Choice A).
What exactly is a volcano?
A volcano, like the one on Earth, is a fissure in the crust of a planet through which gases, hot molten, and volcanic ash can leak out of a molten material beneath the planet's surface. Volcanoes are most common when tectonic plates are diverging or integrating, and the large number of them are found underwater.
Earth's eruptive material can also be gas, ash, embers, or liquid rock (referred to as "lava" when it is on the surface and "magma" when it is underground).
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Complete question -
____________ tend to increase the explosive potential of a magma body beneath a volcano.
a. High viscosity and high dissolved gas content
b. High viscosity; low dissolved gas content
c. Low silica content, low viscosity
d. Low viscosity; low dissolved gas content
a species of crab produces 1,000's of eggs at a time. these crabs will have a high mortality rate when weather patterns are severe. this crab species is an example of a _______.
A. selected species
B. ecosystem
C. a small population
The crab species described, which produces a large number of eggs but experiences high mortality rates during severe weather patterns, is an example of a small population. Option C is correct.
A small population refers to a relatively low number of individuals within a species that occupy a particular geographic area. In this case, despite the high reproductive output of the crab species (producing thousands of eggs), the mortality rate during severe weather patterns suggests that the population size remains small due to the high levels of mortality.
Severe weather patterns can negatively impact the survival and reproductive success of individuals within a population. If the mortality rate is high during such events, it can lead to a reduction in the population size. In this scenario, even though the species produces a large number of eggs, the overall population remains small due to the high mortality rate caused by severe weather conditions.
Hence, C. is the correct option.
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Which phrase is appropriate for an advertisement for a health service?
"new discovery"
"FDA-approved''
"amazing results"
"European"
Answer:it’s FDA-approved
Explanation:
Don’t do amazing results it’s wrong I took the test
What, in general, can you infer about the energy per square meter at the equator?
Answer:
0-degrees latitude, at the equator. The temperatures would be higher because the radiation from the sun is more direct. The overall energy is greater per square meter because the sunlight is more direct.
Pseudoscience is Exact and Precise.
True
False
Answer:
False.
Explanation:
Pseudoscience are not exact and precise. In fact, they are mistaken practices/methods that are not part of the scientific method or based on the scientific method.
Answer:
False.
Explanation:
Pseudoscience are not exact and precise.
Can u give me and exmaple of a bacteria and a example of a virus (separatly) and one characteristic that they have in common? Thanks
Answer:
example of virus: coronavirus or megavirus
example of bacteria: Micrococcus
they are both microscopic microbes. Both of them can cause diseases in plants and animals. Both these types of microbes contain enzymes required for the DNA replication and protein synthesis.
Explanation:
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In two days lupe hiked 65 km she hiked 34.3 km the first day. How far did she hike the second day?
By subtracting the distance hiked on the first day from the total distance, we can determine the specific distance covered on the second day. In this case, the second-day distance is found to be approximately 30.7 km.
To calculate the distance Lupe hiked on the second day, we need to subtract the distance she hiked on the first day from the total distance hiked over the two days.
Let's break down the problem. We know that Lupe hiked a total of 65 km over the two days. On the first day, she hiked 34.3 km. To find out how far she hiked on the second day, we can subtract the distance hiked on the first day from the total distance hiked.
Total distance hiked – Distance hiked on the first day = Distance hiked on the second day
Substituting the values we have:
65 km – 34.3 km = Distance hiked on the second day
Performing the calculation:
30.7 km = Distance hiked on the second day
Therefore, Lupe hiked approximately 30.7 km on the second day.
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Researchers do an experiment to test the hypothesis that Douglas fir trees put more resources into reproduction when they are infected with a fungus that causes a fatal disease. They establish study plots in a group of 50-year-old Douglas fir where the disease is not present. At random, they infect half the trees with the disease-causing fungus. Then they measure how many cones and seeds are produced by infected versus uninfected trees
According to the National Institute of Environmental Health Sciences (NIEHS) interview, Dr Keri Hornbuckle commented that PCBs are a large group of chemicals that persist in the environment. (a) Briefly discuss the health impact of eating PCB-contaminated fish on the human population. (10 (b) Outline the mitigation measures to reduce the risk of exposure in the surrounding population, such as the schools and residential nearby the source of PCB-contaminated sites (10
How does nondisjunction cause chromosome number disorders.
Answer:
Disorders of chromosome number include the duplication or loss of entire chromosomes, as well as changes in the number of complete sets of chromosomes. They are caused by nondisjunction, which occurs when pairs of homologous chromosomes or sister chromatids fail to separate during meiosis.
Explanation:
What is one drawback of a field experiment?
A) It does not reflect complex interactions.
B) It cannot be controlled.
C) It is difficult to determine the cause and effect.
D) There are no manipulated variables.
Im not sure if it is B or C...
Answer:
B) It cannot be controlled
Answer:
B) It cannot be controlled.
which of the following best describes how carbon is cycled through plants
Carbon is cycled through plants through the process of photosynthesis, where carbon dioxide from the atmosphere is absorbed by plants and converted into organic carbon compounds such as sugars, starches, and cellulose. This carbon is used as a source of energy and building material for the plant's growth and development. In turn, plants release oxygen into the atmosphere through a process called respiration, where they break down organic carbon compounds to release energy for their metabolic processes. Additionally, carbon in the form of dead plant material can be stored in the soil as organic matter, where it can be decomposed and eventually released back into the atmosphere as carbon dioxide through processes such as microbial decomposition.
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How volcanic rocks form?
When magmas reach the Earth's surface and cool and crystallize in subaerial or subaquatic conditions, the resulting rocks are called extrusive or volcanic. Igneous rocks are made up of minerals from the silicate group.
What are igneous rocks?Igneous or magmatic rocks are those that form when magma cools and solidifies.
If cooling occurs slowly below the surface, rocks with large crystals called plutonic or intrusive rocks are formed, while if cooling occurs rapidly above the surface
5facts about multiple alleles ?
Answer:
Sure! Here are five facts about multiple alleles: 1. Multiple alleles refer to the existence of more than two alleles for a particular gene in a population. 2. Each individual organism still possesses only two alleles for a given gene, but the population as a whole can have multiple alleles. 3. Multiple alleles can result in different phenotypes (observable traits) for a single gene depending on which alleles are present. 4. Blood type is an example of multiple alleles in humans, with the ABO blood group system being determined by three alleles: A, B, and O. 5. Multiple alleles can lead to genetic diversity within a population, which can be advantageous for survival and adaptation to changing environments.
1. Bacteria. Two bacteria were placed in a dish. The number of bacteria quadruples every hour. There are now 131,072 bacteria in the dish. How many hours have passed since the original two bacteria we
To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.
Starting with two bacteria, we can observe the progression:
Hour 1: 2 bacteria
Hour 2: 2 x 4 = 8 bacteria
Hour 3: 8 x 4 = 32 bacteria
Hour 4: 32 x 4 = 128 bacteria
Hour 5: 128 x 4 = 512 bacteria
Hour 6: 512 x 4 = 2048 bacteria
Hour 7: 2048 x 4 = 8192 bacteria
Hour 8: 8192 x 4 = 32768 bacteria
Hour 9: 32768 x 4 = 131072 bacteria
Therefore, it took 9 hours for the number of bacteria to reach 131,072.
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Glutamate is the neurotransmitter released at the rod-bipolar cell synapse. When there is light, the rod membrane potential will ____________ due to _________ of cations through the channel.a) depolarize; exitb) hyperpolarize; exitc) hyperpolarize; entryd) depolarize; entry
Glutamate is the neurotransmitter released at the rod-bipolar cell synapse. c) hyperpolarize; entry
When there is light, the rod membrane potential will hyperpolarize due to the entry of cations through the channel. Glutamate, the neurotransmitter released at the rod-bipolar cell synapse, normally inhibits the bipolar cell from firing action potentials. In the dark, the rod cells are depolarized and continuously release glutamate, which inhibits the bipolar cells.
However, when light enters the eye and strikes the rod cells, a photopigment called rhodopsin undergoes a conformational change, leading to the closure of sodium channels and hyperpolarization of the rod cell. This hyperpolarization decreases the release of glutamate, which in turn reduces inhibition on the bipolar cell, allowing it to depolarize and transmit the visual signal to higher visual centers in the brain.
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When you toast bread, electrical
energy is converted to what type
of energy in the toaster?
A. Heat
B. Sound
C. Nuclear
D. Electromagnetic
Answer:
heat
Explanation:
heat and electricity is what is used to cook/toast the bread
What is the electromagnetic spectrum? Where does it come from?
Answer:
The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes.the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.
Upon visiting his doctor, Ted is surprised to learn he has a brain tumor. This may explain why Ted cannot stop eating and eats as much food as possible. Ted may have a tumor in the part of his brain called the
Ted may have a tumor in the HYPOTHALAMUS. This region of the brain controls appetite.
The hypothalamus is fundamental for controlling the body's temperature, weight (appetite), emotions, maintaining the body's internal balance (homeostasis), etc.
The hypothalamus is a small brain area that forms the hypothalamus-pituitary complex, which is a command center of the endocrine system.
The hypothalamus is the part of the brain known to modulate the release of different hormones from the pituitary gland, which is a key component of the endocrine hormone system.
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Which result is most likely to occur due to orographic uplift?
tornado formation
development of hurricanes
cloud formation and precipitation
clear skies and fair weather
The most likely result to occur due to orographic uplift is cloud formation and precipitation.
The correct answer would be cloud formation and precipitation.
The most likely result to occur due to orographic uplift is cloud formation and precipitation. Orographic uplift refers to the lifting of air as it encounters a mountain or elevated terrain. As the air is forced to rise, it undergoes adiabatic cooling, which can lead to the condensation of water vapor and the formation of clouds.
When moist air encounters a mountain or any elevated obstacle, it is forced to rise along the windward side. As the air ascends, it cools adiabatically, meaning the temperature decreases as it expands due to decreasing atmospheric pressure. As the air cools, its ability to hold moisture decreases, leading to the condensation of water vapor and the formation of clouds. This process is known as orographic lifting, and it is responsible for the creation of clouds and subsequent precipitation on the windward side of the mountain.
The type of clouds that form due to orographic uplift depends on various factors such as temperature, humidity, and stability of the air. Examples of clouds that can form in this process include stratiform clouds (layered clouds) or cumuliform clouds (puffy, vertically-developed clouds). The presence of moisture in the air, combined with the lifting effect of the terrain, promotes the development of clouds and precipitation.
While orographic uplift can enhance atmospheric instability and contribute to localized weather patterns, it is not directly associated with tornado formation or the development of hurricanes. Tornadoes typically form within severe thunderstorms, while hurricanes are large-scale tropical cyclones that form over warm ocean waters. Clear skies and fair weather are less likely outcomes when encountering orographic uplift, as the lifting of air and subsequent cloud formation often result in increased atmospheric moisture and the potential for precipitation.
In summary, orographic uplift primarily leads to cloud formation and precipitation as moist air is forced to rise over mountains or elevated terrain. This process is responsible for the creation of clouds and can contribute to localized weather patterns and enhanced precipitation in the vicinity of the uplifted region.
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(1 point) A bacteria culture initially contains 1500 bacteria and doubles every half hour. Find the size of the baterial population after 80 minutes. Find the size of the baterial population after 5 h
The size of the bacterial population after 80 minutes is 12,000 bacteria. The size of the bacterial population after 5 hours is 96,000 bacteria.
1. Convert the given time to hours:
- 80 minutes = 80/60 = 1.33 hours
- 5 hours = 5 hours
2. Determine the number of doubling periods for each time interval:
- 80 minutes = 1.33 hours -> 1.33 / 0.5 = 2.66 doubling periods
- 5 hours -> 5 / 0.5 = 10 doubling periods
3. Calculate the population size after each doubling period:
- For 80 minutes: 1500 bacteria * (\(2^{2.66\)) ≈ 12,000 bacteria
- For 5 hours: 1500 bacteria * (\(2^{10\)) = 96,000 bacteria
Therefore, the size of the bacterial population after 80 minutes is 12,000 bacteria, and the size of the bacterial population after 5 hours is 96,000 bacteria.
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A student describes a substance as lacking a definite shape. The description also states that the particles of matter are close to each other but still able to flow past each other. Which type of substance
is the student MOST likely describing?
A
solid
B
liquid
oc
mixture
D compound
Answer: A
Explanation:
The correct option is A. Solid has a definite shape. In solids, the particles are closer to each other.
What is solid?There are three states of matter. They are solid, liquid and gases. Solid has a definite shape. The particles are much closer and there are the least intermolecular spaces between them.
Many materials can be used to create solids. They may be made of different compounds or just pure elements. A mixture is a substance that contains more than one type of chemical.
The majority of rocks are assemblages of various chemicals. A good illustration of a man-made solid combination is concrete.
Therefore, The correct option is A. Solid has a definite shape. In solids, the particles are closer to each other.
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The biome to which all of these organisms would be best adapted is the -
Answer:
Explanation:
Nucles h
Can someone help me please
The table showing the products of crude oil such as gasoline is found in the attachment.
What are the products of crude oil?Crude oil is a complex mixture of hydrocarbons that can be refined to produce a wide range of products, including:
Gasoline: a light liquid fuel used in internal combustion engines in cars and other vehicles.
Diesel fuel: a heavier liquid fuel used in diesel engines in trucks, buses, and other heavy-duty vehicles.
Jet fuel: a specialized fuel used in aircraft.
Heating oil: a fuel used for heating homes and buildings.
Liquefied petroleum gas (LPG): a mixture of propane and butane that is used as a fuel for heating, cooking, and transportation.
Lubricants: oils and greases used to reduce friction in machinery and engines.
Asphalt: a heavy, thick liquid used in road construction and maintenance.
Petrochemicals: chemicals derived from crude oil that are used to produce a wide range of products, including plastics, fertilizers, and pharmaceuticals.
Wax: a solid material used in candles, polishes, and other products.
The specific products obtained from crude oil depend on the refining process used, as well as the quality and composition of the crude oil.
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What is a relatively dense aggregation of fishes, squid, and other mesopelagic organisms capable of reflecting a sonar pulse that resembles a false bottom in the ocean. Its position varies with the time of day.
Answer:
Deep scattering layer, DSL
Explanation:
The deep scattering layer (DSL) also known as "deep sound layer", refers to an oceanic deep layer, more or less defined, that reflects sound and that is formed by a wide variety of animals. It is present in almost every ocean. It is produced by the presence of many organisms of different species that can disperse the sonar waves sent by a sonar equipment.
It was discovered through the ships´ sonar. Whenever they met a layer in which the sound hit, and was often confused with the bottom of the ocean. This is why the DSL is refered to as the "fake bottom".
These animals form layers of not less than 10 meters thick and might easily reach up to 50 meters thick. These layers are often found between 50 and 200 meters deep and can be seen going up and down every day according to the daily vertical migration.
the only source of water for marine iguanas is seawater with an osmolarity of 1000 mosm. marine iguana body fluids are normally 370 mosm. marine iguanas drink seawater, but their blood osmolarity does not increase. what osmotic challenges must they overcome?
The osmotic challenge the marine iguanas must overcome is: increased concentration of body fluids by salt gain.; option E is correct.
What is the osmolarity of a solution?The osmolarity of a solution is the number of dissolved particles of a solute per liter of solution. It is a way to express the concentration of solution.
The unit of osmolarity is osmol/L or mosm/L.
The higher the number of solute particles dissolved in a given volume of solvent in liters, the higher the osmolarity of the solvent will be.
Considering the given situation where the marine iguana drinks sea water which is of higher osmolarity than blood, the marine iguana has to find a way to ensure that the excess salt is removed. This is because, due to the higher osmolarity of the seawater compared to the marine Iguana's blood, water molecules would tend to move out from the cells in order to dilute the seawater taken in by the iguana. Hence, the risk of dehydration is high.
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Complete question:
The only source of water for marine iguanas is seawater with an osmolarity of 1000 mOsm Marine iguana body fluids are normally 370 mOsm Marine iguanas drink seawater; but their blood osmolarity does not increase: What osmotic challenges must they overcome?
A) Dilution of body fluids by water gain and salt gain.
B) Dilution of body fluids by water gain and salt loss:
C) Increased concentration of body fluids by salt gain and water gain:
D) Increased concentration of body fluids due to high uric acid production:
E) Increased concentration of body fluids by salt gain.
What is the chloroplast?
where photosynthesis takes place
what is discontious vartion?
Answer: Hi!
Discontinuous variations are differences in a population (for example, a group of pea plants) that can be clearly seen. For example, the peas can be wrinkled or smooth, or can have wide, short seed pods, or long, thin seed pods. These are determined by different alleles.
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Definitions (2 marks each) 1. Hypsodont teeth 2. Dental formula 3. Digitigrade 4. Selenodont dentition 5. Fossorial 6. Odontoceti 7. Precocial 8. Carnaissals 9. Tragus 10. Saltatorial Section 2-Matching-Order Cetacea (1 mark each) For the following characteristics listed below, choose the best match: Grey Pacific White Sided Dolphin Humpback Dall's Porpoise Minke Killer Whale Sperm Harbour Porpoise
1. Hypsodont teeth: Hypsodont teeth are characterized by having a high crown and limited growth, which allows for continuous wear and makes them suitable for grinding rough, fibrous plant material.
2. Dental formula: The dental formula is a shorthand notation used to represent the number of each type of tooth present in an animal's jaw. It indicates the number of incisors, canines, premolars, and molars in one side of the upper and lower jaws.
3. Digitigrade: Digitigrade locomotion is when an animal walks on its digits (toes), with the heel and wrist elevated off the ground. This is commonly seen in animals like cats and dogs.
4. Selenodont dentition: Selenodont dentition refers to teeth with crescent-shaped ridges on the grinding surface, which is typically found in some herbivorous mammals like deer and cows.
5. Fossorial: Fossorial animals are those that are adapted for digging and living underground, such as moles and certain types of rodents.
6. Odontoceti: Odontoceti is a suborder of cetaceans (whales, dolphins, and porpoises) that have teeth instead of baleen plates. Examples include dolphins, porpoises, and sperm whales.
7. Precocial: Precocial animals are those that are relatively mature and mobile from the moment they are born or hatched. Examples include ducks, chickens, and ungulates.
8. Carnassials: Carnassials are specialized teeth found in carnivorous mammals that are adapted for shearing flesh. They consist of a modified upper premolar and a lower molar.
9. Tragus: The tragus is a small, pointed, cartilaginous flap in front of the external opening of the ear, which is present in many mammals.
10. Saltatorial: Saltatorial locomotion refers to jumping or hopping movement, which is commonly seen in animals like kangaroos and rabbits.
Regarding Section 2, the question is not clear enough to provide a matching answer. Please provide more context or specific characteristics that need to be matched with the cetacean species mentioned.
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PLEASE HELP! Explain how cancer is formed
What is horizontal gene transfer give an example?
Horizontal gene transfer is the transfer of genetic material from one organism to another organism that is not its offspring.
This transfer can occur through various mechanisms, including bacterial conjugation, transduction (transfer by a virus), and transformation (uptake of DNA from the environment).
Antibiotic resistance can be passed from one bacterium to another through horizontal gene transfer, which allows bacteria to quickly spread resistance to antibiotics to other bacteria. This can result in the emergence of antibiotic-resistant strains that are difficult to treat and can lead to serious health problems.
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