Answer:

A society is choosing to replace its nuclear power plants with more sustainable geothermal power plants. Which of the following is an advantage to switching to geothermal power?
A. It can contaminate groundwater.
B. It uses a renewable resource.
C. It consumes a radioactive material.
D. It produces more hazardous waste.
Explanation:

The answer to this question is a
Ecosystems need producers because they are the start of the food chain.
Producers are consumed by first consumers, the second consumers and so on.