ISEE Reading Question 163: Answer and Explanation
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Question: 163
2. Which of the following most strongly affects the upper atmosphere?
- A. Lack of oxygen
- B. Seasonal changes
- C. Air pressure
- D. Heat of the sun
Correct Answer: D
Explanation:
The correct answer is (D). The first paragraph makes clear that the temperature (the heat of the sun) directly affects many other measures and dimensions in the upper atmosphere.