What are the factors responsible for tides? Describe the conditions that lead to neap and spring tides
What will be an ideal response?
Tides are the twice-daily oscillations in sea level. Tides are produced by the gravitational pull of both the Sun and the Moon, though the Sun's influence is only about half that of the Moon's due to its greater distance from the Earth. This gravitational pull affects the Earth's atmosphere, oceans, and lithosphere. The stretching large tidal bulges. The Earth's surface rotates into and out of the tidal bulges as the Earth changes its position in relation to the moon and sun. Every 24 hours, 50 minutes, any given point on the Earth rotates through two bulges as a result of this rotational position. As a result, coastal locations experience two high (rising) tides and two low (falling) tides, called flood tides and ebb tides respectively. The difference between consecutive high and low tides is the tidal range. The range is greatest when the Earth, Sun, and Moon are in conjunction or in opposition. This is the spring tide. When the Earth, Sun, and Moon are neither in opposition or conjunction, there is less tidal range called the neap tide.
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The National Environmental Policy Act (NEPA) ________
A) altered the amount of chemicals allowed in water as a result of industrial pollution B) put all federal land under stringent environmental protection C) was signed into law by Bill Clinton D) required environmental impact statements for any projects funded by the U.S. government E) requires compensation to be given to anyone harmed by deliberate pollution from any business or corporate entity
Species richness is affected by many variables. As one travels toward higher latitudes, one would expect ________
A) species richness to be fairly constant B) population viability to increase C) species richness to increase D) species richness to decrease
Beaches:
a. are always made of coral reef fragments. b. always have lagoons. c. can be made out of cobble-sized sediment. d. are not attached to the mainland. e. are attached to the mainland only at one end point.
Like faults, a ________ is a separation in a rock body
A) sill B) dike C) joint D) slump E) graben