Why are long wavelength waves considered to be the most powerful? Consider wave base in
answering this question. What will be an ideal response?
The wave base of a long wavelength wave lies at greater depth than that of a shorter wavelength wave.
This means that it will "feel bottom" farther off shore than shorter waves. This gives the wave more
time to build as it approaches shore and affects the underwater beach profile over a greater area.
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Which of the following is true of mutations?
A) They will always cause a genetic disease. B) They are always fatal. C) They are never fatal. D) Some are harmless and some quite dangerous.
What happened in La Conchita, California in 1995 and 2005?
A. A landslide that was a natural disaster. B. A landslide that was not a natural disaster. C. A landslide that was a natural phenomenon. D. A landslide that was not a natural phenomenon.
When lightning strikes, nitrogen molecules, N2, and oxygen molecules, O2, in the air react to form nitrates, NO3-, which come down in the rain to help fertilize the soil. Is this this an example of oxidation or reduction?
A) The formation of nitrates is an example of oxidation. B) The formation of nitrates is an example of reduction. C) Both. The nitrogen is oxidized as it reacts with the oxygen while the oxygen is reduced. D) Neither. Although the bonds of both the N2 and O2 molecules are broken to form the NO3-, neither oxidation nor reduction occurs.
When rock is broken down and disintegrated without any chemical alterations, the process in operation is
A) hydrolysis. B) physical weathering. C) carbonation. D) chemical weathering.