1. Due to the Coriolis effect, any large-scale current of air or water is deflec
ID: 161227 • Letter: 1
Question
1. Due to the Coriolis effect, any large-scale current of air or water is deflected to the _______ in the northern hemisphere and to the _______ in the southern hemisphere. A) left, left B) left, right C) right, left D) right, right
2. Which of the following best explains why the Sahara desert of Africa exists? A) The Sahara desert lies in the rain shadow of coastal mountains.
B) The Sahara desert lies near 30°N latitude.
C) The Sahara desert lies thousands of kilometers from the ocean.
D) The sandy soil of the Sahara desert drains so quickly that vegetation is unable to grow.
3. How much of the land surface is covered by ice? Approximately A) 10% B) 30% C) 50% D) 80%
4. How thick are the Greenland and Antarctic ice caps? Approximately A) 100 meters thick C) 1 kilometer thick B) 300 meters thick D) 3 kilometers thick
5. Where is the largest mass of ice on Earth located? A) Antarctica B) Greenland
C) the Himalayas D) Siberia
6. Why are the Earth's poles colder than the equator?
A) because the Earth's poles are farther from the Sun than the Earth's equator
B) because the sun strikes the Earth at a lower angle at the poles than at the equator C) because there are fewer hours of sunlight at the poles than at the equator
D) because there is more snow at the poles than at the equator
7. Which of the following is not one of the possible explanations for previous ice ages? A) changes in the large-scale oceanic circulation
B) increases in the amount of carbon dioxide in the atmosphere
C) large land masses (continents) positioned at the poles
D) periodic changes in the Earth's eccentricity
8. Which of the following atmospheric convection cells is located in the tropical belt (within latitude 30 ° N and S of the equator?)
A) Ferrel cells B) Hadley cell
C) Polar cell D) Ekman cell
9. In which ocean does deep water have the longest residence time?
A) Atlantic Ocean B) Pacific Ocean
C) Indian Ocean D) deep water has equal residence time in all oceans
10. Which of the following is not true of the Coriolis effect? Coriolis effect
A. is zero at the poles and increases with decreasing latitude
B) exists only for fluid motion changing latitudes.
C) causes a deflection in the path of a fluid moving across the earth’s surface D) is most significant in large scale wind systems (such as trade winds).
11. The _____________ is the layer of rapid decrease in temperature within the ocean A) halocline B) pcynocline
C) thermocline D) isothermal gradient
Explanation / Answer
1.C) right, left
2.B) The Sahara desert lies near 30°N latitude.
3.A) 10%
4. D) 3 kilometers thick
5.A) Antarctica
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