According to the scientific method, a prediction
A) is a logical consequence that follows from the hypothesis
B) leads to a hypothesis
C) may not be made until an experiment has been performed
D) always refers to something that will occur in the future
Answer: A
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Today, more than 50% of the U.S. importation of oil comes from
A) Saudi Arabia. B) Afghanistan and Iraq. C) the Western Hemisphere, especially Canada. D) China.
Dew point measures
A. the temperature at which air is saturated with water vapor. B. the amount of liquid water droplets in the air. C. a percentage of how close the air is to saturation, how "humid" it feels. D. the mass of water vapor compared to a total mass of a volume of air.
The the idea of base level refers to
A) the average height of a stream channel. B) a level below which a stream cannot erode its valley. C) an evolutionary cycle of landscape development from fluvial action. D) the amount of discharge in a particular reach of a stream.
In a sample of a pure carboxylic acid, how many hydrogen bonds are formed between a pair of carboxylic acid molecules?
A) 1 B) 2 C) 3 D) 4