<span>More than half of Africa's source of energy comes from coal. Its coal production and waste led to several environmental problems like wildfire and diseases. In one mine leak incident in Africa, last 1953 brought poison on the water supply killed thousands of marine life.</span>
It's B
Kilograms literally means Thousand grams..
So, 7.2 thousand grams -- 7,200 grams
Answer:
The physical geography of a site
Answer:
50%
Explanation:
One in five species on Earth now faces extinction, and that will rise to 50% by the end of the century unless urgent action is taken.