Biomass is plant or animal material used as fuel to produce electricity or heat. Therefore i think the answer is plants!
The answer is D, metaphase
An example of an ecosystem that benefits people could be the ocean.
The ocean regulates the temperature of the earth, allowing a more comfortable place for people to live.
Hope this helps!
Answer:
The answer is Carbon Dioxide
Answer:
the answer is c) Test subjects may get bored and want to quit early.
Explanation:
