More than eighty-five percent of all the energy used in the United States comes from coal, oil, and natural gas. Coal, oil and gas are not easily reproduced by nature because they are formed from organic remains of prehistoric plants and animals. Which term is used to classify resources such as coal, oil, or natural gases?
a
A
renewable resources
B
sediments
с
igneous rock
D
fossil fuels

there are treatment options for depression (mdd) that may work for you. one way of treating depression may be to affect the levels of certain chemicals that brain cells use to communicate, called neurotransmitters. scientists believe that certain neurotransmitters may be out of balance in depression.

although the exact way depression medications shown to ease overall depression symptoms in some people work is unknown, scientists think that some medications work by affecting the levels of a neurotransmitter called serotonin in the brain. other treatments work by affecting the levels of other neurotransmitters like norepinephrine or dopamine.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.

answer; a cost benefit analysis;