A tide wave moves north in the Northern Hemisphere and south in the Southern Hemisphere
a. True
b. False
False
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Earth travels about 30 km/s relative to the Sun. When you leap upward in front of a wall, the wall doesn't slam into you at 30 km/s because the wall
A. has negligible inertia compared with the Sun. B. has too little gravity to influence you. C. moves in the opposite direction to you. D. and you move at the same horizontal speed, before, during, and after your jump.
Hot spots move with continental plates. Indicate whether the statement is true or false
Although most of biological productivity occurs close to land, a greater proportion is found in pelagic
sediments. Indicate whether the statement is true or false.
Consequences of the population explosion in developing countries include all of the following EXCEPT
A) population growth in rural areas that outpaces urban growth. B) overcultivation, soil erosion, and depletion of fertility. C) deforestation, drainage of wetlands. D) migration. E) poaching of wildlife.