Which of the following statements is not true about ecosystems? a. A healthy ecosystem can support an unlimited number of life forms.
b. Predators play a role in balancing the earth's ecosystems.
c. People's activities can improve the health of an ecosystem.
d. The parts of an ecosystem depend on each other.

A

Explanation:

though an ecosystem can support life forms,when they become over populated or unlimited there will be competition for food,Shelta and other basic necessities which will lead to many of these life forms dying

the dependant variable is spilled water

the independent is the heat

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.