Consider a huge rotating cloud of particles in space that gravitate together to form an increasingly dense ball. As the cloud shrinks in size, it
A. rotates faster.
B. rotates slower.
C. rotates at the same rate.
Answer: A
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Fruit trees are particularly vulnerable to cold weather ____
a. when they are fruit-bearing b. when they are bare c. right after fruit have been picked d. when they are blossoming e. when the first leaves show up
List the major rivers of the African region:
All of the following is true regarding the flow of air aloft in the mid-latitudes EXCEPT
A. west to east flow. B. east to west flow. C. circulation is restricted to the troposphere. D. wind speed aloft is greater than wind speed at surface.
Initiated in 2007, the REACH program ________
A) protects European companies who have patented trade secrets from revealing the chemical information about their products B) regulates the chemicals used in hydraulic fracturing C) requires all chemicals imported into the United States to have a material safety data sheet D) was passed by the European Union to protect its citizens from unsafe chemicals E) replaced the Toxic Substances Control Act with a policy that was more strict regarding chemical safety