Which has a greater influence on Earth's ocean tides, the Sun or the Moon? Why?
What will be an ideal response?
The Moon has a greater influence on Earth's tides. The gravitational force exerted by one body on another is a function of (a) the masses of the two bodies and (b) the distance between them. The Sun has a much larger mass than the Moon but it is farther away, at about 155 million kilometers from Earth. The Moon is smaller but it is only 400 thousand kilometers away from Earth. This means that the Moon exerts a stronger tidal force than does the Sun, even though the Sun has more mass.
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Poorly-sorted sediment has ____
A)no sharp edges B)restricted size range C)similar mineral composition throughout D)great size variation E)little chance of becoming sedimentary rock
Why does refraction occur?
A) Some wavelengths are more absorbed than other. B) because radiation speed varies with density of the atmosphere C) because the denser the atmosphere is the higher the speed that light is transmitted D) none of these
Why can regions with a desert climate be found next to an ocean, which is generally an abundant source of moist air?
What will be an ideal response?
Which of the following best matches the description?Construction of similar residential units over large areas.
A. urban sprawl B. multiple land use C. tract development D. wetlands E. floodplain zoning F. megalopolis G. zoning H. floodplain I. ribbon sprawl J. land-use planning