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1. |
The 99% mass of earth atmosphere is confines to the height of: |
A. | 16 Km from the Earth’s surface |
B. | 32 Km from the Earth’s surface |
C. | 64 Km from the Earth’s surface |
D. | 72 Km from the Earth’s surface |
Answer» C. 64 Km from the Earth‚Äö√Ñ√¥s surface | |