At the edge of a cliff you throw one ball downward and another ball upward at the same speed. With negligible air resistance, which ball hits the ground faster?
A. The ball thrown upward.
B. The ball thrown downward.
C. Both hit with the same speed but not at the same time.
D. none of the above
Answer: C
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Which statement best describes a compound?
A. a material that is made up of a single type of atom B. a mixture of more than one element C. a material that is made up of a combination of atoms bonded together D. a mixture of atoms E. none of the above
The ________ is calculated by subtracting the day's low temperature from the day's high temperature
What will be an ideal response?
Relative humidity indicates amount of water vapor in the air
Indicate whether the statement is true or false
The general term signifying the overall lowering of the rock material on the Earth's crust is ________
A) denudation B) mass wasting C) slumping D) jointing E) weathering