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kicyunya
[14]
2 years ago
12
The first supersonic flight was 1947. It was just above the speed of sound. Which altitude would you expect captain Yeager to ha
ve used for his flight?
A) sea level
B) 1000m
C) 13,700m (within altitude used by commercial planes today)
D) 85,000m (where meteor showers originate)
WILL MARK BRAINLIST
Biology
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1
answer:
nikitadnepr
[17]
2 years ago
7
0
Answer: It's C
Explanation: I just took the test
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