The Big Bang took place approximately ____ years ago

a. 140 billion
b. 40 billion
c. 14 billion
d. 14 million
e. 4,000


C

Environmental & Atmospheric Sciences

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The purpose of the third prong in an electrical plug is to

A. lessen voltage. B. prevent charge from flowing to the ground. C. provide a path for excess charge to the ground. D. equalize voltage.

Environmental & Atmospheric Sciences

Plants that are allelopathic

A) have very sharp spines instead of leaves. B) cannot tolerate long periods of drought. C) produce flowers very rapidly after a rain event. D) are likely to be located away from other plants.

Environmental & Atmospheric Sciences

Deformation of the Earth's crust is called ______.

a - plate tectonics b - folding c - diastrophism d - broad warping e - subduction

Environmental & Atmospheric Sciences

The Mercalli Scale is a scale from ________

A) I to XII that rates the structural damage due to an earthquake B) I to X that rates the total energy released during the main quake and all aftershocks C) 1 to 10 that rates the energy released by an earthquake D) 1 to 12 that rates the energy required for faulting to occur

Environmental & Atmospheric Sciences