Answer:
A. Ancestors of whales may once have been able to walk.
Explanation:
What percentage of our usable freshwater is already polluted?
Answer:
3% of the earth's water is fresh. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost. 0.5% of the earth's water is available fresh water
Explanation:
please give brainliest
Answer:
Water covers about 71% of the earth's surface.
326 million cubic miles of water on the planet
97% of the earth's water is found in the oceans (too salty for drinking, growing crops, and most industrial uses except cooling).
320 million cubic miles of water in the oceans
3% of the earth's water is fresh.
2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost.
0.5% of the earth's water is available fresh water.
If the world's water supply were only 100 liters (26 gallons), our usable water supply of fresh water would be only about 0.003 liter (one-half teaspoon).
In actuality, that amounts to an average of 8.4 million liters (2.2 million gallons) for each person on earth.
This supply is continually collected, purified, and distributed in the natural hydrologic (water) cycle.
Where Water is Found and the PercentageOceans97.2%Ice Caps/Glaciers2.0%Groundwater*0.62%Freshwater Lakes0.009%Inland seas/salt lakes0.008%Atmosphere0.001%Rivers0.0001%TOTAL99.8381%
What is the
relationship between the raw materials and
the products in photosynthesis?
Answer:
Photosynthesis is the conversion of light energy into chemical energy by living organisms. The raw materials are carbon dioxide and water; the energy source is sunlight; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose and starch
Explanation:
Which term best describes two predators living in the same habitat who feed on the same prey?
A.coexistence
B.mutualism
C.competition
Answer:
The answer is C, competition
Competition refers to the interaction between the organisms to seek or feed on the same resource.
The term that best describes the two predators living in the same habitat feeding on the same prey is competition.
Competition can be defined as:
Competition in an ecosystem or habitat will take place when the ecological niche of organisms overlaps as both organisms try to use the same resource. In habitat, the predators feeding on the same prey will have competition, as the predators will fight for food, nutrients, and a source of energy to survive. Competition can be caused among animals due to food, space, and shelter.
Thus, the correct answer is Option C.
To know more about competition, refer to the following link:
https://brainly.com/question/1622043
A man walks into a bar and orders a corona and two hurricanes. The bartender replies, “that’ll be 20.20!” explain
Answer:
because 2020 had Corona and hurricanes
The fossil record shows that the types of living things on Earth changed over time. Which fossil would most likely be found in the oldest rock layer?
Answer:
Trilobite
Explanation:
I got it right on my test:)
Answer:
The answer is Trilobite. Here is proof. Plz mark brainliest
Explanation:
how Greenhouse gases in the atmosphere impact Earth’s global climate
Answer:
They impact it by heating up the atmosphere by trapping heat
Review Paragraph 5. What factor would not affect the island lizard gene pool once they
reached the mainland?
Here's link to the answer:
tinyurl.com/wpazsebu
The further you move away from the equator, the ________________________________ the climate is.
A. hotter
B. colder
C. same
answer:
b.colder
explanation:
this is because the sun's rays are dispersed over a larger area of land as you move away from the equator. this is due to the curved surface of the earth.
good luck :)
hopefully, this helps
have a great day !!
Can somebody please help me with all the question?
Answer:
no
Explanation:
If stripped fish become more visible to predators, their fitness for their environment will decrease. Over time ____ will favor solid-colored fish and their numbers will grow.
Answer:
predators
Explanation:
Where are proteins digested?
1 Gall bladder
2 stomach
3 small intestine
4 large intestine
Answer:
2) stomach
Explanation:
Protein digestion begins in the stomach, where the acidic environment favors protein denaturation.
Answer:
Stomach
Explanation:
the person above is right, I chose small intestine and got it wrong
NEEED HELPPPP YOULL GET BRAINLIEST PROMISE
Answer:
first quarter neap
second quarter spring
third quarter neap
fourth quarter spring
Please help with punnet squares problem! I'm not understanding what the answer is thanks
The leaves of plants have many specialized structures. Which statement explains the importance of the stomata and guard cells for the plant?
o They protect the plant from pests
o They are involved in plant reproduction
They work together to regulate water loss and gas exchange.
o They regulate the amount of water that enters the plant for cellular respiration
Answer:
They work together to regulate water loss and gas exchange.
They work together to regulate the loss of water and exchange of gases.
Stomata and guard cellsThe tiny pores or openings in plant tissue, which allow for the exchange of gases are known as stomata.
The unique cells, which surround stomata and work to close and open the stomatal pores are known as guard cells.
Both these helps a plant to take in carbon dioxide at the time of photosynthesis and also assist in reducing the loss of water by getting closed when conditions are dry and hot.
Thus, stomata and guard cells work together to regulate the loss of water and gas exchange.
Find out more information about stomata and guard cells here:
https://brainly.com/question/7602098
Which is not a function of the respiratory system? A. It warms air entering the body. B. It exchanges oxygen and carbon dioxide. C. It pumps blood to the organs.
Answer:
A. It warms air entering the body.
Explanation:
The respiratory system functions the organs and breathing. B tells you that it exchanges oxygen and carbon dioxide, which is functioning breathing. C is pumping blood into the organs, which is part of the respiratory system.
Hope this helped! :3
Scientists are monitoring the pH of oceans. Which of these are they most likely studying?
A. the population of polar bears
B. the health of coral colonies
C. the level of carbon dioxide in the air
D. the rise of sea level
Answer:
B. the health of coral colonies
Explanation:
Answer:
ANSWER is B , The health of coral colonies
When a slingshot is held in the position shown in the diagram, what kind
of energy is present?
Answer:
I can't see a diagram. But if the arrow is not moving, but about to be released it would be known as potential energy.
what is formed during photosynthesis
Answer:
Glucose and oxygen is produced
Explanation:
oxygen is usually released as a by-product and the glucose made is converted to starch and stored in leaves
plus ATP molecules are formed from excess light energy and is converted to a high energy chemical compound
1.2 Identify TWO types of stressors that learners are likely to experience in a post-school
destination such as a college or university, or the workplace.
Answer:
The two types of stressors are;
1. Physical stress
2. Psychological stress
Explanation:
Stress is a state of subjecting a person or thing to different forms of pressure. Stressors are factors that can lead to stress. When a person gets into an institution of higher learning or begins working with an establishment, he can face different kinds of stress. Two of them include;
1. Physical stress: This stress could be caused by excessive exertion in activities. In the school environment, attending lectures, completing assignments, and engaging in social activities could result in burn out.
2. Psychological stress: This stress can be caused by emotional and cognitive factors. Rigorous deadlines and expectations from bosses can lead to emotional drain.
What conditions are necessary for rocks to melt?
Answer:
In explanation.
Explanation:
The rock is pulled down by movements in the earth's crust and gets hotter and hotter as it goes deeper. It takes temperatures between 600 and 1,300 degrees Celsius (1,100 and 2,400 degrees Fahrenheit) to melt a rock, turning it into a substance called magma (molten rock).
The rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts. The different types of rocks need different temperatures.
What is the effect of temperature on different substances?Temperature plays an important roles in different substances, such as high and low temperatures, each with its own set of tasks. The high temperature can melt the solid substance into a liquid, and further heating converts the liquid into gas. Because of the high pressure and temperature in the earth's core, the rock is in a molten state, but when it comes out of the earth's core, after solidifying, it converts into solid rock. The low temperature converts the liquid into a solid, and food preservation is carried out by this process.
Hence, the rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts.
Learn more about the temperature here.
https://brainly.com/question/10837981
#SPJ2
The order of amino acids determines the structure and overall function of a protein. (True or False)?
Answer: TRUE
Explanation:
tbh not 100% sure
True or false if false type the right answer. History
Sorry I choosed biology by mistake
Answer:
the first is mostly false but somewhat tru the second is true and the third is true
Explanation:
Which of the following cannot reliably prevent the impact of hurricanes on hurricane-prone places?
A)
restoring freshwater marshes
B)
allowing the growth of a natural buffer of trees
C)
completely preventing settlements in areas that seem prone to catastrophes
D)
encouraging people to avoid settling in areas known to be hazardous
E)
using satellite images to predict hurricanes
Answer:
I think the answer is d I hope this help
Answer:
A) restoring freshwater marshes
Explanation:
got it right on edg
16. Explain how the following affect the rate of enzyme activity. a.Substrate Concentration:
b. pH:
c. Temperature:
Answer:
pH: If it's to much on either the alkaine or the acid side the enzymes will vary
Explanation:
Each of your cells has a set of chromosomes, including
autosomes and sex chromosomes. Explain the main
differences between these two types of chromosomes.
Answer:
in the 46 chromosomes in our body, the autosomes are the first 22 homologous pairs of chromosomes that do not influence the sex of an individual, while sex chromosomes are the 23rd pair of chromosomes that determine the sex of an individual
hope this helps, good luck! : )
What is the current genetic diversity of koalas?
Answer:
low in modern conditions.
Explanation:
9 facts about the atmosphere
Explanation:
Air is mostly gas. Air is all around us, but we can't see it. ...
Air isn't just gas. ...
Air is important for living things. ...
Carbon dioxide in the air can be both good and bad. ...
Air also holds water. ...
Air changes as you go up, up, up. ...
Air is a protective cushion. ...
There is life in the air.
What is the fate of the sunlight during photosynthesis?
A. It is released as a product
B. It lowers the activation energy
C. It is converted to chemical energy
D. It is an unnecessary reactant
Answer:
C. It is converted to chemical energy is your answer
c ) itz ans.....................,.........
What is the name of a group of connected and related organisms?
A. Flow
B. System
C. Energy
D. Matter
Answer:
system
Explanation:
Which of the following is NOT an example of a physical change?
Answer:
Solution : Combustion of Liquefied Petroleum Gas (LPG) is a chemical change. Because it is an irreversible reaction and new products, carbon dioxide and water vapour are formed and lot of heat is also produced during the reaction.