When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms. Decomposers or saprotrophs recycle dead plants and animals into chemical nutrients like carbon and nitrogen that are released back into the soil, air and water.
I believe the answer is tertiary
Quack (uh....) quack quack quack quackkk (okay then lollll)
Ethics in research facilitates accountability of researchers and their research to the public especially in their responsibility to uphold societal values and morals. Ethics also create foundation for collaborative work between researchers by enhancing trust, respect and fairness in the field
The answer is B) These fuels are available in a limited supply- - when the fuel is used it is no longer available.