Answer:
cells make up tissues, which make up organs. organs make up organ systems which make up organisms
Explanation:
A nebula is an interstellar cloud of "Dust and Gas"
Answer:
theory
Explanation:
A proposed set of statements or principles used to explain a group of facts or natural phenomena is a theory.
Answer: The answer is rock.
Explanation: A rock is a a solid substance in which it is composed of large quantities of one mineral, or contains 2 or more minerals.
Answer:
Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance survival of the next lower trophic level.
Explanation:
