The word sponge is more appropriate to use than Underground river since an underground river can loose water while an aquifer cannot loose water, unless it is open-air and above ground. then the aquifer would slowly loose water due to evaporation from the sun.
A community of plants and animals that live and interact together in a particular region is called an ecosystem.
Gravitational potential energy
Answer:
6. Homeostasis
Explanation:
Definition of homeostasis
Answer:
I think it’s B .
Explanation:
