The statements the describe the ecosystems are the following:
1. Balance is required for the survival of an ecosystem.
2. One way to determine an ecosystem's health is by its biodiversity. Biodiversity means having different kinds of plants and animals in an ecosystem.
3. Predators play a role in balancing the earth's ecosystems. These animals are essential in maintaining the food pyramid or the food chain.
The reactants required are
Cations and anions
The answer is it provides us with vitamins. Hope this helps.
Answer:equal to rotation period
explanaition i took the quiz and got this one right