Terminal velocity is achieved when:
A) you enter the freeway from the on-ramp.
B) Nolan Ryan's fastball impacts the catcher's mitt.
C) gravity is equalized by spinning.
D) there is a balance between the falling body and the drag of atmospheric molecules.
Answer: D
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A natural process characterized by a(n) _______________ effect will change in a way that causes a rapid increase in the rate of subsequent change.?
Fill in the blank with correct word.
A major asteroid impact could easily cause
A) global fires. B) ozone loss. C) extended darkness. D) acid rain. E) all of the above
How can agriculture be responsible for increasing the amount of methane in the atmosphere?
A) Crops like corn and soybeans add methane to the atmosphere B) Methane is emitted by bacteria in the gut of agricultural animals, such as cattle and sheep C) Overtilling the land will cause the soil to break down and release greenhouse gases D) Fumes from liquid fertilizer are opening holes in the ozone
Which of the following is not an example of a foliation in a metamorphic rock?
A) compositional banding B) parallel alignment of flattened pebbles C) parallel alignment of platy or flat minerals D) bedding planes and strata