The biological term is a pedigree.
Answer:Many bacteria and fungi are important in the environment because they return energy to the environment
Explanation:
It because they give us oxygen and without oxygen we would all die from oxygen deprivation.
the process that gives us oxygen is photosynthesis
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I'd say
B. Contour Farming
since it's planting on a flat surface and creating w/ridges to help prevent water from taking the crops away