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

Environmental & Atmospheric Sciences

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Which of the following areas provides a good regional source for an air mass?

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What type of organisms live in soil?

A) Earthworms B) Insects C) Bacteria D) Vertebrates E) All of these choices are correct.

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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

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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?

Environmental & Atmospheric Sciences