The first fossil fuel to be widely used was

A. coal.
B. natural gas.
C. oil.
D. tar sand.


Answer: A

Environmental & Atmospheric Sciences

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Galileo believed in a Sun-centered view of the universe

Indicate whether the statement is true or false

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Recent studies indicate that between the 1950s and 1990s solar radiation reaching the Earth's surface may have:

A) increased 10%. B) decreased 10%. C) stayed the same. D) increased 25%.

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The far north of North Korea is separated from China by the ________ River

A) Mississippi B) Tumen C) Baikal D) Ganges

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How many molecules of ATP are involved in the conversion of glucose to glucose 6-phosphate?

A) 0 B) 1 C) 2 D) 3

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