Consider the following statements: 1. Tropo pause extends to a height of 18 km at the equator and only 10 km at the poles. 2. Ionosphere is useful for radio transmission. Which of the above statements is/are correct?

Consider the following statements: 1. Tropo pause extends to a height

1.	Consider the following statements: 1. Tropo pause extends to a height of 18 km at the equator and only 10 km at the poles. 2. Ionosphere is useful for radio transmission. Which of the above statements is/are correct?
A.	1 only
B.	2 only
C.	Both 1 and 2
D.	Neither 1 nor 2
Answer» D. Neither 1 nor 2

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Consider the following statements: 1. Tropo pause extends to a height of 18 km at the equator and only 10 km at the poles. 2. Ionosphere is useful for radio transmission. Which of the above statements is/are correct?

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