Explain why waves will begin to curl and fall over as they approach shore
What will be an ideal response?
Answer: As the wave approaches shore, the base of the moving water will feel bottom, which means it will scrape against the bottom of the basin. This friction will cause the moving water at the bottom of the wave to slow down. However, the water at the top of the wave has not slowed and will move farther forward than the base, resulting in the curling wave.
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The main National Academy of Science conclusion on global warming since the mid-1800s states
A) insufficient data exists to definitively state global warming has occurred.
B) temperatures have remain unchanged.
C) temperatures have risen around 0.5°C.
D) temperatures have risen 6°C.
Hazardous waste is anything that
A. Is toxic, carcinogenic, mutagenic, corrosive, or explosive B. Causes human health threats C. Has the potential of causing health problems D. Severely contaminates the environment E. All of these are correct
What is not usually able to be measured by flow meters?
A) Surface currents B) Intermediate waters C) Bottom waters D) Coastal waters
The surface that marks the top of the ground water is called the
A) water table. B) saturated zone. C) unsaturated zone. D) water layer.