how did exercise affect the time needed for the solution to change colour
Answers
The pace turns the solution turns yellow during the exercise rises.
When exercising for a predetermined amount of time, the amount of carbon dioxide produced is measured using the acid indicator BTB [Bromothymol blue]. The blue solution turns yellow when carbon dioxide is present. The pace at which the solution becomes yellow increases with the amount of carbon dioxide present. The muscles we use during exercise require more energy. When exercise can be managed, aerobic methods mostly satisfy this need. Since more oxygen is taken in and more carbon dioxide is out when muscles are working hard, this results in an increase in the rate of gas exchange in the lungs. These metabolic gases are carried to and from your tissues by your blood.
The amount of energy your body is using has a significant impact on the amount of carbon dioxide produced. For basic functions including those of your heart and digestive system, your body constantly needs energy. This indicates that carbon dioxide is also continuously released.
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Related Questions
Plants that reproduce from over-wintering storage organs such as bulbs, tubers, and rhizomes are called...
Answers
Plants that reproduce from over-wintering storage organs such as bulbs, tubers, and rhizomes are called geophytes. Geophytes have a unique life cycle that allows them to survive in adverse conditions and quickly reproduce when conditions become favorable.
Geophytes are plants that have evolved specialized structures to survive adverse conditions, such as drought, frost, and other environmental stressors. Bulbs are underground storage organs consisting of fleshy leaves or buds that store nutrients and energy for the plant to use during the next growing season. Tubers are thickened underground stems that store energy and nutrients for the plant. Rhizomes are horizontal underground stems that allow the plant to spread and propagate.
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How does air pollution affect human health?
a. Respiratory infections
b. Lung Cancer
c. Asthma
d. All of the Above
Answers
Answer:
The answer for this question is D
Rock that is able to hold a lot of groundwater usually has which characteristics?
Answers
1. High porosity: This refers to the amount of empty space in the rock. Rocks with high porosity have more open spaces or pores that can hold water. These pores can be interconnected or separate, and can be of different sizes.
2. High permeability: This refers to the ability of the rock to allow water to flow through it. Rocks with high permeability have interconnected pores that allow water to flow through the rock, enabling it to hold more water.
3. Low density: Rocks that are less dense tend to have more pore spaces, which in turn allows them to hold more water.
4. High organic content: Some types of rock, such as shale and clay, contain organic matter that can absorb and hold water. Organic matter can act like a sponge, absorbing and holding onto water.
5. Presence of fissures or fractures: Rocks with cracks, fissures, or fractures can hold more water than solid rocks, as water can seep into these spaces and be held there.
Overall, rocks that are able to hold a lot of groundwater have a combination of high porosity, high permeability, low density, and may contain organic matter or have cracks and fissures that can hold water. These types of rocks are important for groundwater recharge and can be used as aquifers for wells and other water sources.
Why does the graph show a temperature of 16o C at 0 meters of depth ?
Answers
Answer:
because that's the starting temperature to rising
Explanation: I think , I would need more context on the graph though
According to Darwin’s theory of evolution all species on earth are united by?
Answers
Answer:
A universal common ancestor (UCA).
Explanation:
According to Darwin, all life on Earth evolved from a universal common ancestor; that is, the very first organism on Earth. If you pick any living plant or animal on Earth and trace its lineage back far enough, billions of years ago, you will eventually find the UCA. Every species on Earth is united to every other species through their connection with the UCA.
The UCA itself was probably a single-celled organism of some kind and died about 4.1 billion years ago. But through it, every species, be it human, dog, tree, or mushroom, shares this one ancestor with everyone else.
Species also have what's called a lowest common ancestor with each other, much more recent than the UCA. For example, the LCA between humans and chimpanzees probably lived and died around 4 million years ago.
I need the description of Native species: Koala
(explain the species niche and how it inpacts the ecosystem)
Answers
The Koala (Phascolarctos cinereus) is a native species of Australia that belongs to the marsupial family Phascolarctidae. Koalas are known for their distinctive appearance, including their large ears, round faces, and fluffy, gray-brown fur.
Koalas have a specialized niche in their ecosystem, as they are highly specialized herbivores that feed exclusively on eucalyptus leaves. They have a long, sticky tongue that allows them to extract nutrients from the leaves, and they have a unique digestive system that is able to process the toxic compounds found in eucalyptus leaves.
The Koala's niche has a significant impact on the ecosystem. Eucalyptus leaves are an important food source for many other animals, including birds and insects, so the Koala's feeding habits help to maintain a balance in the ecosystem.
Additionally, Koalas play a role in seed dispersal, as they often defecate the seeds from eucalyptus leaves in their feces, which helps to spread the seeds and promote new growth.
Overall, the Koala's niche as a specialized herbivore that feeds on eucalyptus leaves is important for maintaining the health and balance of their ecosystem, and it helps to support the survival of many other species in the region.
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HelpASAP! TELL ME IF AM RIGHT, TY
Answers
Answer:
Mesophyll cells.
Explanation:
Transpiration is the evaporation of water at the surfaces of the spongy mesophyll cells in leaves, followed by loss of water vapour through the stomata . Transpiration produces a tension or 'pull' on the water in the xylem vessels by the leaves. Water molecules are cohesive so water is pulled up through the plant.
Jay, Kip, and Tia are each measuring the concentration of a solution. They are doing experiments separately. They are all are using a colorimeter—a device used for measuring colors. Jay repeats the experiment five times and takes the average measurement, while Kip performs the experiment once. Tia repeats the experiment three times but chooses one of the measurements instead of the average.
The measurements taken by
are least likely to contain random errors.
Answers
Answer:
Jay im pretty sure
True or false Particles of light can be affected by gravity?
Answers
This statement is true. Particles of light can be impacted by gravity.
Tiana lives in an area of town that doesn’t have a grocery store available to purchase fresh food from this is an example of how blank can influence wellness
Answers
Answer: a environment
Explanation: because she moved to a town end of the town there is not a grocery store with fresh food, and I guess she used to live in a place where she would always go and buy fresh food from that store, so she just doesn’t like her environment
Human development begins with a(n)
____, which is created when ____
join and the first cell division takes place.
Answers
Answer:
a zygote, which is created when a male and a female gametes join…
Explanation:
Answer:
first: embryo
second: gametes
third: to perform specific functions for the body
Explanation:
which is not true about vasular plants ?
A)big size
B) have roots
C) don t have xylem
D)don t have leaves
d
Answers
Answer:
D) Don't have leaves
Explanation:
A plant being vascular should have leaves, since they identified by their lignified leaves itself.
in nature, which type of behavior causes animals to produce aggressive displays and sounds
Answers
Answer:
Territoriality
Explanation:
In nature, agonistic or territorial conducts in animals result in fierce displays and sounds.
In the ecosystem, every organism resides in a marked region of its own.
Territoriality is the protected area of the animal which it has characterized as his.
It is the region which the animal safeguards from its opponents using fierce and adversary behaviours.
These kinds of demeanours display solitude, protection and self-identity.
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y’all I am so sorry I need help again
Above are the elements magnesium and oxygen. Which of the statements below best describe
the electron behavior involved with forming a bond between the two elements?
A. The two valence electrons in the magnesium atom will be transferred to the oxygen
atom thus forming an ionic bond where the compound will probably be a crystalline
solid, hard, have high melting point, conduct electricity when melted, and may be
soluble water but not nonpolar liquids.
A. The two valence electrons in the magnesium atom will be transferred to the oxygen, , atom thus forming an ionic bond where the compound will probably be a crystalline, , solid, hard, have high melting point, conduct electricity when melted, and may be, , soluble water but not nonpolar liquids.
B. The two valence electrons in the magnesium atom will be shared with the six valence
electrons in the oxygen atom thus forming a covalent bond in which the compound will
have be, gases, liquids, or solids, have low melting points, are poor conductors in all
phases, and are soluble in nonpolar liquids but not in water.
B. The two valence electrons in the magnesium atom will be shared with the six valence, , electrons in the oxygen atom thus forming a covalent bond in which the compound will, , have be, gases, liquids, or solids, have low melting points, are poor conductors in all, , phases, and are soluble in nonpolar liquids but not in water.
C. The six valence electrons in the oxygen atom will be shared with two valence electrons
in the magnesium atom to form a compound will have a high melting point, be soluble
in polar solvents and hard.
C. The six valence electrons in the oxygen atom will be shared with two valence electrons, , in the magnesium atom to form a compound will have a high melting point, be soluble, , in polar solvents and hard.
D. The electrons from both atoms will form an extra shell in which the atoms will draw the
energy it needs from that shell when necessary to form a compound with properties
such as high melting point, be soluble in polar solvents and hard.
Answers
Answer:
OK in the world you want to do it again soon as possible to get it to you too babe and you know that I am going out to
Which of the following includes all the plants, animals, bacteria and other living things in an area?
- community
-consumer
-ecosystem
-population
Answers
Answer:
Community
Explanation:
Community includes all the plants, animals, bacteria and other living things in an area
Answer I am sure that the right answer is consumer
Explanation:
Several important involuntary functions, such as breathing and heartbeat, are controlled by the ______.
Answers
Several important involuntary functions, such as breathing and heartbeat, are controlled by the autonomic nervous system (ANS). The autonomic nervous system is a division of the peripheral nervous system that regulates and controls internal bodily processes, maintaining homeostasis.
The ANS consists of two main branches: the sympathetic nervous system and the parasympathetic nervous system. These branches have opposing effects on bodily functions, allowing for dynamic regulation and balance.
The sympathetic nervous system is responsible for the "fight-or-flight" response, which prepares the body for action in stressful or emergency situations. It increases heart rate, dilates blood vessels, and promotes the release of adrenaline, among other responses.
The parasympathetic nervous system, on the other hand, is associated with the "rest-and-digest" response. It promotes relaxation, conserves energy, and regulates essential functions during rest. It slows down heart rate, stimulates digestion, and promotes restorative processes.
Together, the sympathetic and parasympathetic branches of the autonomic nervous system regulate and control vital functions, including breathing, heartbeat, blood pressure, digestion, and many other involuntary processes necessary for overall physiological well-being.
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It can be inferred from the passage that which one of the following experimental results would suggest that bacteria detect changes in the concentration of an attractant by measuring its concentration in front and back of the cell body simultaneously?
(A) When suddenly transferred from a medium in which the concentration of an attractant was uniformly low to one in which the concentration was uniformly high, the tendency of the bacteria to tumble and undergo random changes in direction increased.
(B) When suddenly transferred from a medium in which the concentration of an attractant was uniformly low to one in which the concentration was uniformly high, the bacteria’s exhibited no change in the pattern of their motion.
(C) When suddenly transferred from a medium in which the concentration of an attractant was uniformly low to one in which the concentration was uniformly high, the bacteria’s movement was characterized by a complete absence of tumbling.
(D) When placed in a medium in which the concentration of an attractant was in some areas low and in others high, the bacteria exhibited an increased tendency to tumble in those areas where the concentration of the attractant was high.
(E) When suddenly transferred from a medium in which the concentration of an attractant was uniformly low to one that was completely free of attractants, the bacteria exhibited a tendency to suppress tumbling and move in longer, straighter lines.
Answers
When placed in a medium in which the concentration of an attractant was in some areas low and in others high, the bacteria exhibited an increased tendency to tumble in those areas where the concentration of the attractant was high. Hence option D is correct.
The experimental result that would suggest that bacteria detect changes in the concentration of an attractant by measuring its concentration in front and back of the cell body simultaneously is (D) When placed in a medium in which the concentration of an attractant was in some areas low and in others high, the bacteria exhibited an increased tendency to tumble in those areas where the concentration of the attractant was high.
This result suggests that the bacteria are able to detect changes in attractant concentration and respond accordingly by increasing tumbling in high attractant areas to sample their surroundings more thoroughly.
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Around 1920, the amount of glucose in blood could be measured by an electronic meter. True or False
Answers
Blood tests are just for estimating the number of red platelets an individual has. Around 1920, how much glucose in blood could be estimated by an electronic meter. The correct answer is false.
Glycaemia, otherwise called glucose level, glucose fixation, or blood glucose level is the proportion of glucose gathered in the blood of people and different creatures. Roughly 4 grams of disintegrated glucose, a straightforward sugar, is available in the blood plasma of a 70 kg (154 lb) human consistently.
Glucagon is delivered to stop glucose levels from dropping excessively low (hypoglycemia), while insulin is delivered to stop glucose levels from ascending excessively high (hyperglycemia). The arrival of glucagon is invigorated by low blood glucose, protein-rich dinners, and adrenaline (one more significant chemical for battling low glucose).
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What factors would allow a red supergiant star to have the same apparent magnitude as a white dwarf star?
Answers
A star's luminosity and proximity to Earth both affect how bright it seems to be.
Which factor influences the star's apparent magnitude?A star's or another celestial object's apparent magnitude (m), as seen from Earth, is a measurement of brightness. The intrinsic luminosity of an object, its distance from Earth, and any extinction of the object's light by interstellar dust in its line of sight to the observer all play a role in determining its apparent magnitude. Depending on a star's mass, when it departs from the main sequence, the gravitational pressure may be sufficient to trigger the fusion of helium and heavier elements. Supergiants and red giants are created by these stars. The star will become a white dwarf if its mass is insufficient to allow for the fusion of heavier elements.To learn more about star's apparent magnitude, refer to:
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diagram represents one of Mendel’s laws or principles of inheritance. F 1 includes Upper G g and Upper G g. F 2 includes Upper G Upper G, Upper G g, Upper G g, g g. The second F 2 includes Upper G g, Upper G g, Upper G g, and g g. Which law or principle does the diagram represent? dominance independent assortment segregation genetics
Answers
Answer:
The diagram represents the Law of Dominance
Explanation:
Any particular trait can be dominant or recessive in an individual who is heterozygous for it depending on their inheritance pattern from the parent genotype. Although the individual will be carrying the recessive allele in their genetic code too, it is only the dominant phenotype that is expressed. The dominant trait is represented by the capital letter whereas the recessive trait is represented by a small case letter.
Answer:
C. Seg
bjbhjbjbhjbgjvmhbhjvhjbhjbhjhfhcghcghcfgchgc
Explanation:
Regarding an allelic pair for flower color in snapdragons, heterozygotes have pink flowers, whereas the two homozygotes have red flowers or white flowers. When plants with red flowers are crossed with plants with white flowers, what proportion of the offspring is expected to have pink flowers?.
Answers
Heterozygotes have pink flowers, Proportion of the offspring is expected to have pink flowers is 100%.
What is heterozygote ?You have a heterozygous genotype for that gene if the two versions vary. Being heterozygous for hair color, for example, means you have one allele for red hair and one allele for brown hair. The interaction of the two alleles influences which qualities are expressed.Allele pairings are described using the phrases homozygous and heterozygous. Individuals that have two identical alleles (RR or rr) are said to be homozygous. Individual organisms with various alleles (Rr) are referred to as heterozygous.To learn more about heterozygous refer,
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Based on the diagrams above, what is the percent change in the amount of runoff in urban areas compared to forested areas?
Answers
Answer:
It’s D
Explanation:
450 % change occur in the amount of runoff in urban area as compared to forest area.
Percent change450 % is the percent change in the amount of runoff in urban areas as compared to forested areas. We can see in the diagram that in forest area only 10% is runoff water while some is absorbed by the soil and other evaporated in the air.
While on the other hand, in urban area 55% of water leaves the area through runoff which is 45 % higher than forest area so when we put these values in the formula of percent change we get 450 % so we can conclude that 450 % change occur in the amount of runoff in urban area as compared to forest area.
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which of these declarations is accurate concerning the life cycle of a pine tree?
Answers
The statement about the pine life cycle that is accurate conifer pollen grains contain male gametophytes, the correct option is (D).
Pine trees, like other conifers, have a life cycle that involves the production of male and female gametophytes. In conifers, the male gametophytes are contained within the pollen grains. These pollen grains are produced in the male cones and are released into the air. When the pollen grains reach the female cones, they undergo pollination. Each pollen grain contains male gametes (sperm cells) that will fertilize the female gametophyte.
The pine tree is not a gametophyte itself but a sporophyte, which is the dominant generation in the pine life cycle. Male and female gametophytes are not in close proximity during gamete synthesis because pollen grains are released into the air and can travel long distances. Double fertilization, which occurs in angiosperms, is not a characteristic of the pine life cycle, the correct option is (D).
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The complete question is:
Which of the following statements about the pine life cycle is accurate?
A) The pine tree is a gametophyte.
B) Male and female gametophytes are in close proximity during gamete synthesis.
C) Double fertilization is a relatively common phenomenon.
D) Conifer pollen grains contain male gametophytes.
One of the major breakthroughs in understanding the mechanisms of evolutionary change came with the realization that evolution
Answers
One of the major breakthroughs in understanding the mechanisms of evolutionary change came with the realization that evolution is driven by natural selection.
Natural selection is the process by which certain traits become more or less common in a population over time, based on their effects on reproductive success. It was Charles Darwin who first proposed the concept of natural selection in his book "On the Origin of Species" published in 1859. Darwin's work revolutionized our understanding of how species change and adapt over generations.
The key idea behind natural selection is that individuals with advantageous traits are more likely to survive and reproduce, passing those traits on to their offspring. These advantageous traits enable individuals to better compete for resources, avoid predators, or adapt to changing environmental conditions. Over time, these beneficial traits become more prevalent in the population, leading to evolutionary change.
Natural selection operates on variation within populations, which arises through genetic mutations and recombination. Individuals with variations that confer advantages have higher chances of survival and reproductive success, allowing their traits to be passed on to future generations. Conversely, individuals with traits that are disadvantageous may be less likely to survive and reproduce, leading to a decrease in the frequency of those traits in the population.
The concept of natural selection provides a powerful explanation for the diversity and adaptation of organisms on Earth. It helps us understand how species have evolved to thrive in different environments and how new species can arise through the accumulation of genetic changes over time. The recognition of natural selection as a driving force of evolution marked a significant breakthrough in our understanding of the mechanisms behind the diversity of life on our planet.
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Describe telephase (IN YOUR OWN WORDS)
-Thank you!
Answers
Answer:
Telophase is the last step of cell division, when chromosomes move in opposite directions so two new cells can be formed from one. When a cell is finishing the process of meiosis, it goes through a phase in which it's basically getting ready to split into two new cells telophase.
Explanation:
how would you relate force and acceleration?
Answers
Force = mass * acceleration
This is Newton's second law
Explanation:
Hey there!
The external agency that brings change in body's action(i.e changes the body from rest to motion or motion to rest) is called a force.
We know;
The force is inversely proportional to acceleration. So, the best method to relate them is force in inversely proportional to acceleration of a place.
Hope it helps...
what is an Interphase
A.
a time of cell growth and development.
B.
None of the other answer choices
C.
a phase that includes the S phase and M phase.
D.
the time gap between meiosis I and meiosis II.
Answers
Which three types of waste do humans dump in the water? Select THREE choices. *
A. fertilizers
B. sewage
C. salt
D. pesticides
Answers
Answer:
Sewage is the answer of this
Using the data collected from all 4 locations, calculate the mean for lizards found on the bark and the lizards found on the leaves. (AKS 4c)
Locations (10 trees per location)
Number of lizards Found on bark Tree Trunk
Number of Lizards Found on Leaves
Location 1
32
130
Location 2
105
41
Location 3
68
67
Location 4
70
72
A.
the average number of lizards found on the trunk is 72 and on the leaves is 78.
B.
the average number of lizards found on the trunk is 77. 5 and on the leaves is 68. 75
C.
the average number of lizards found on the trunk is 78 and on the leaves is 72.
D.
the average number of lizards found on the trunk is 68. 75 and on the leaves is 77. 5
Answers
The average number of lizards found on the bark (tree trunk) and on the leaves can be calculated using the data provided from the four locations.
To calculate the mean number of lizards found on the bark and on the leaves, we need to find the average of the data for each category separately. For lizards found on the bark, we sum up the numbers for each location and divide by the total number of locations (4). In this case, the sum of the numbers is 32 + 105 + 68 + 70 = 275. Dividing this by 4 gives us an average of 68.75. Similarly, for lizards found on the leaves, we sum up the numbers for each location and divide by 4. The sum of the numbers is 130 + 41 + 67 + 72 = 310. Dividing this by 4 gives us an average of 77.5. Therefore, the correct answer is option D: the average number of lizards found on the trunk is 68.75, and on the leaves is 77.5.
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please help me.
thank you in advance
Answers
Answer:
At the edge of tectonic plates
Explanation:
An earthquake is typically caused by the collisions of tectonic plates, so they are more common at the plates' edges.