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
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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.
________ is a movement involving a change of permanent residence
Fill in the blank(s) with correct word
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
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).