I think the correct answer from the choices listed above is option B. With regards to environmental changes, they may affect several populations in an ecosystem because it is where living organisms dwell and they try to adjust accordingly to these changes. Hope this answers the question.
The answer is 3%
Explanation:
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.
Definition, Location, Example
The Corn Belt,is an area in the midwestern United States, roughly covering western Indiana, Illinois, Iowa, Missouri, eastern Nebraska, and eastern Kansas, in which corn and soybeans are the dominant crops ("Corn Belt Region").
Well there's is frozen sea weed and there is plankton and hair grass
