A. 25°C
B. 20°C
C. 18°C
D. 10°C
Correct Answer:
Option B – 20°C
If the temperature of sea level is 30°C the temperature of the air at a height of 2000 meters will be approximately?
![A pulse of a sound is transmitted from a ship and the reflection from the sea bed is recorded after 0.2s. Calculate the depth of the sea. [Take speed of sound in sea water = 1560m/s]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A pulse of a sound is transmitted from a ship and the reflection from the sea bed is recorded after 0.2s. Calculate the depth of the sea. [Take speed of sound in sea water = 1560m/s]")
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