For what percent of Earth's history have geologic processes been studied?

A) 0.000 004
B) 0.000 000 4
C) 0.000 000 04
D) 0.000 04


Answer: D

Environmental & Atmospheric Sciences

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Two projectiles are fired at equal speeds but different angles. One is fired at an angle of 30° and the other at 60°. Neglecting air resistance, the projectile to hit the ground first will be the one fired at

A) 30°. B) 60°. C) Both will hit at the same time.

Environmental & Atmospheric Sciences

________ is a movement involving a change of permanent residence

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

In an overturned fold, the beds have rotated ________

A) more than 180 degrees B) more than 45 degrees C) 100 to 150 degrees D) more than 90 degrees

Environmental & Atmospheric Sciences

The four major groups of igneous and volcanic rocks based on chemical composition are

_________, _________, ________, and _________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences