In which Early Paleozoic continent was most of present-day North America located?
________________. Fill in the blank(s) with the appropriate word(s).
Laurentia
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Land and sea breezes occur because
a. water evaporates from the ocean. b. of varying speeds of the earth's rotation. c. of different water temperatures in the ocean. d. heat absorption in water is faster than on land. e. heat is absorbed and released more slowly by water than by land.
If you need to show the entire Earth on a map, which of the following projections would not be a possibility?
A) Mercator B) Sinusoidal C) Polar stereographic D) Robinson
The Ferghana Valley is divided between Tajikistan, Uzbekistan, and:
A) Afghanistan B) Kazakhstan C) Kyrgyzstan D) China
Among the world's countries, the spread between the highest and lowest crude death rates is ________ the spread between the highest and lowest crude birth rates
A) greater than B) less than C) the same as D) more related to income than E) less dependent on social services than