Answer:
Coal
Explanation:
Coal produces more pollution than any other energy source. While coal produces just 44% of U.S. electricity, it accounts for 80% of power plant carbon emissions. Burning coal leads to soot, smog, acid rain, global warming, and carbon emissions.
For the first one the answer is B. and the second one is D.
Answer:
The ref blood cells are shaped like sickles or crescent moons, sticky cells can get stuck in small blood vessels which can slow or block blood flow and oxygen to parts of the body
Answer:
i think 2 ,1, 2 i may be wrong sorry if i am
Answer:hey did you ever get an answer? I need it for this exam
Explanation:
