What will happen to a seismic wave when it is reflected?
A) The wave will be bent.
B) The wave will undulate.
C) The wave will be bounced back toward its source.
D) Nothing will change the wave.
Answer: C
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The avoidance of making decisions that cannot be reversed later if they turn out to be harmful is called the ____.
A. precautionary principle B. net energy principle C. reversibility principle D. prevention principle E. polluter-pays principle
Climate during the most recent 10,000 years has been extraordinarily stable compared to similar periods of time during the past two million years
Indicate whether the statement is true or false
If you just want to go for a swim in a meandering river and want to find a sandy beach, where is the best place to look for your swimming hole?
A) straight stretches between meander loops B) outside bend of the meander loops C) a point bar on the inside bend of a meander D) It isn't easy to predict, you'll just have to look around.
The driver behind all life cycles in the entire biosphere is ________
A) the Sun B) water C) nitrogen D) hydrogen E) oxygen