The reason winds exist is ________
A) the unequal heating of the Earth system
B) the Coriolis effect
C) because air is a mixture of gases
D) friction
E) altitude differences
Answer: A
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Which of the following areas provides a good regional source for an air mass?
A. mountain areas with deep valleys and strong surface winds B. generally flat areas of uniform composition with light surface winds C. mountain areas with deep valleys and light surface winds D. generally flat areas of uniform composition with strong surface winds
What type of organisms live in soil?
A) Earthworms B) Insects C) Bacteria D) Vertebrates E) All of these choices are correct.
This scientist used a mathematical model and the rate of Earth’s cooling to calculate that the age
of the Earth must be 20-400 million years old. a. Hutton d. Lyell b. Joly e. Lord Kelvin c. Bishop Ussher
Map the different rates of natural increase in Europe, noting which countries will grow and which will decline in the next 20 years. Then link this map to a discussion of migration in Europe
Given these two factors, how might the population map change in 20 years?