Answer:
Fossil fuels are made from decomposing plants and animals. These fuels are found in the Earth's crust and contain carbon and hydrogen, which can be burned for energy. Coal, oil, and natural gas are examples of fossil fuels
Explanation:
<span>William Howard Taft was US President between 1909-1913 and CJ 1921-1930</span>
What is likely being misinterpreted is the difference between theory and hypothesis. In common usage, "theory" may mean a guess or hypothesis, something that is uncertain or speculative. But in science a theory is a synthesis of a large body of validated information. The value of a theory is its usefulness.
Disease, bad sanitation, overpopulation, and pollution
