Turning corners in a car takes longer, and all of the cars wouldn't go as smoothly because you need to slow down some to turn a corner. Since racetracks are ovals the drivers just need to turn, which you don't really need to slow down for.
Answer:
c, d,e is the answer of this question
Answer:
C :natural gas
Explanation:
Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases (methane, nitrogen, carbon dioxide etc) are naturally found in atmosphere. Natural gas reserves are deep inside the earth near other solid & liquid hydrocarbons beds like coal and crude oil. Also it's an item for natural resource.