Oil shale<span> is a type of </span>sedimentary rock<span> that is rich in kerogen. </span>Kerogen<span> is a part of rock that breaks down and releases hydrocarbons when heated. </span>Hydrocarbon<span>s are substances made entirely of hydrogen and carbon. </span>Petroleum<span> and </span>natural gas<span> are probably the most familiar hydrocarbons. The hydrocarbons in oil shale can be used as an alternative to petroleum or natural gas.</span>
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federal government developed over time?
The federal government's power has INCREASED over time, particularly through the New Deal Programs during the Great Depression.
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None is expected, but it is said that it will probably rain on friday, and be very cold the rest of the weekend. Have an amazing day :D
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