Burning coal causes a large amount of air pollution.
When coal is burned, it releases many air pollutants. This includes mercury, lead, sulfur dioxide, nitrogen oxides, and other unsafe gasses and heavy metals. This is extremely harmful for humans and the Earth.
Answer:
20
Explanation:
during meiosis the number of chromosomes is split in half
proteins and phospholipids
Winter because of all the white on the earth.