The major source of free oxygen in the atmosphere is from ________

A) green plants
B) molten rock
C) silicate minerals
D) water
E) glaciers


A

Environmental & Atmospheric Sciences

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The vibrations of a transverse wave move in a direction

A) along the direction of wave travel. B) at right angles to the direction of wave travel.

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Unlike the Paleozoic burrowing animals, which were soft-bodied, Mesozoic burrowing animals

had hard-shells. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Metamorphic rocks ____

A)always have igneous parent rock B)always have sedimentary parent rock C)are the oldest rock on Earth D)are formed under conditions of high temperatures and pressures E)can form on Earth's surface under special conditions

Environmental & Atmospheric Sciences

The global ________ involves the transfer of water between Earth's water reservoirs

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences