Where does oil come from?

The formation of oil begins in warm, shallow oceans that were present on the Earth millions of years ago. ... This material then lands on the ocean floor and mixes with inorganic material that enters the ocean by rivers. It is this sediment on the ocean floor that then forms oil over many years.

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;