Waves that go up and down.. there's not pictures so explain more
Is the EPIDERMIS.it has four layers of skin, the stratum which contains blood vessels and nerves
Answer:
Chemical nutrients and energy tend to flow in the same direction for most of an ecosystem. The big difference is that the chemical nutrients are ultimately recycled in the ecosystem while the energy is ultimately lost from the ecosystem to the universe at large. Energy in any ecosystem ultimately comes from the Sun
Explanation:
Answer:
it might be D.
Explanation:
I honestly am going off of what I can remember in school.