Question

which of the following represents the current average surface temperature of the earth?
a. 15°c (59°f)
b. 10°c (50°f)
c. 0°c (32°f)
d. 100°c (212°f)

Explanation:

The current average surface - temperature of the Earth is approximately 15°C (59°F) due to the greenhouse effect which warms the planet.

Answer:

A. 15°C (59°F)