How much more energy does a magnitude 7.0 earthquake release than a 6.0 earthquake?
What will be an ideal response?
Each step up on the Richter scale results in a 32 times greater energy release, so a 7.0 releases 32 times more energy than a 6.0.
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What are the disadvantages of using biomass as a means to calculate primary productivity? What are
some other means used to measure this productivity? What will be an ideal response?
What is the source of high carbon dioxide levels at middle depths in the ocean?
a. The decay of the remains of organisms b. It diffuses from the atmosphere c. Chemical reactions d. Plant respiration
The second step in the development of a hurricane is the
A) easterly wave. B) tropical depression. C) tropical storm. D) tropical disturbance.
The state of Hawaii is one of only two U.S. states in which ________
A) Gambling is illegal B) Prostitution is legal C) Hard alcohol is illegal D) Marijuana is legal