Answer:
c
Explanation:
a b and c are all signs of life but energy can be in objects not just life.
Answer:
What impact do the available amounts of energy, water, and oxygen have on an ecosystem? They act as limiting factors. ... increasing the biodiversity of the ecosystem.
Answer:
The nervous system is comprised of two major subdivisions, the central nervous system (CNS) and the peripheral nervous system (PNS).
Explanation:
It is strengthened by data which is always contradictory.
A) Amsterdam is the answer