Thin layer of decaying organic matter is found. Years of weathering washed most of the nutrients away.
B. the oceans is the largest ecosystem.
Answer:
it is similar because it involves multiple body parts.
it is different because it doesn't involve breaking down anything or providing things through the blood.
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Jane is a researcher who studies
the individual and collective aging processes in humans. Jane works in the
field of gerontology. Gerontology is the extensive study of aging processes in
humans as they age. Under gerontology, the physical, mental, and social changes
in older people is studied as they grow.
