Answer:
Renewable energy sources lead to sustainable energy production whereas non-renewable energy does not. • The extraction and production of energy from renewable energy sources are expensive and difficult when compared to fossil fuel extraction.
Explanation:
Ozone
Answer: The correct answer is C. Vacuum.
Explanation: It was correct on my test : )
Fish & algae
They are both biotic becuase they are living. Light & rocks are abiotic.
Mechanical digestion takes place in the mouth
