Bacteria helps degrade dead animals and plants and bring valuable nutrients back to Earth.
Answer:
B.
Viruses must invade a host cell to reproduce while bacteria can reproduce on their own.
and
D.
Viral infections are more likely to disable or kill their host than bacterial infections.
Explanation:
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
Growth,circulatory, and fundamental
