Metals are relatively more abundant in

A. new stars.
B. old stars.
C. neither in particular


Answer: A

Environmental & Atmospheric Sciences

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The scientific method is a method for

A) making hypotheses. B) gaining new knowledge. C) making observations. D) testing theories. E) designing experiments.

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Photosynthetic organisms are

a. autotrophic. b. heterotrophic.

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The pressure gradient force is directed from higher pressure toward lower pressure ____

A) only at the equator B) at all places on Earth except for the equator C) only at the poles D) at all places on Earth

Environmental & Atmospheric Sciences

Transpiration is:

A) the type of bond that holds water molecules together. B) the return of water to the oceans via rivers. C) the process by which plants release water into the atmosphere. D) the movement of groundwater under Earth's surface.

Environmental & Atmospheric Sciences