The answer is, "B", "Developing country".
Answer:
The ways in which an element—or compound such as water—moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
Explanation:
Explanation:
the answer should be d because of the concentration gradient see if that makes sense
Answer:
All populations must have an adequate amount of food, water, shelter, and space to maintain homeostasis