48. Air moving from polar regions southward is shown here with straight lines.A student proposes that the wind moves directly southward. How should this model be refined to reflect the accurate movement of the air masses at points A-D? a. Air at points A and B should be deflected westward while air at points C and D should be deflected eastward. b. All four points should be deflected westward due to the Coriolis effect. c. All four points should be deflected eastward due to the presence of Hadley cells. d. All four points should be deflected westward until they reach the Southern hemisphere, when they will be deflected eastward. 49. The rain shadow effect can have a large effect on local climate. When a rain shadow effect occurs, which side of the mountain tends to receive more rain? a. Windward side b. Leeward side c. Top of the mountain d. Foot of the mountain __ 50. Which of these describes what happens to air as it rises in the atmosphere? a. The pressure decreases and it expands in volume b. The pressure increases and it expands in volume c. The pressure decreases and it decreases in volume d. The pressure increases and it decreases in volume

Question

48. Air moving from polar regions southward is shown here with straight lines.A student proposes that the wind moves directly southward. How should this model be refined to reflect the accurate movement of the air masses at points A-D? a. Air at points A and B should be deflected westward while air at points C and D should be deflected eastward. b. All four points should be deflected westward due to the Coriolis effect. c. All four points should be deflected eastward due to the presence of Hadley cells. d. All four points should be deflected westward until they reach the Southern hemisphere, when they will be deflected eastward. 49. The rain shadow effect can have a large effect on local climate. When a rain shadow effect occurs, which side of the mountain tends to receive more rain? a. Windward side b. Leeward side c. Top of the mountain d. Foot of the mountain __ 50. Which of these describes what happens to air as it rises in the atmosphere? a. The pressure decreases and it expands in volume b. The pressure increases and it expands in volume c. The pressure decreases and it decreases in volume d. The pressure increases and it decreases in volume

Answer 1

48. a. Air at points A and B should be deflected westward while air at points C and D should be deflected eastward.49. a. Windward side50. a. The pressure decreases and it expands in volume

Answer 2

## Step1For question 48, we need to understand the Coriolis effect. The Coriolis effect is a result of the Earth's rotation, which causes moving objects to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This effect is responsible for the rotation of large scale wind systems.## Step2For question 49, we need to understand the rain shadow effect. The rain shadow effect is a dry area on the leeward side of a mountainous area. The mountains block the passage of rain-producing weather systems, casting a "shadow" of dryness behind them.## Step3For question 50, we need to understand the behavior of air as it rises in the atmosphere. As air rises in the atmosphere, the pressure decreases and it expands in volume. This is because the air pressure is the force exerted by the weight of the air above the point of measurement. As the air rises, there is less air above it, so the pressure decreases.

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