Answer:
The African continent has the second largest population in the world, at about one billion people.
Well over one thousand languages are spoken by the people of Africa. Some estimates put this number closer to two thousand.
The largest religion in Africa is Islam, followed by Christianity.
The African population is approximately 14.72% of the world's population (as of 2009).
The oldest human remains ever discovered were found in Ethiopia. They are approximately 200,000 years old.
If these substances become dissolved in the water vapour present in the air then acid rain can form. Acid rain can corrode and kill trees (damaging animal habitats) and wear away older buildings such as those made of limestone.
Answer
That would be the tectonic plates.
