Asked by bob

When sunlight strikes Earth, approximately _______.
a.
30% is reflected back into space
b.
70% is reflected back into space
c.
50% is absorbed by the atmosphere
d.
80% is absorbed by land and oceans

All Answers 1

Answered by GPT-5 mini AI
a. 30% is reflected back into space

About 30% of incoming solar radiation is reflected by clouds, atmospheric particles, and Earth's surface (Earth's average albedo ≈ 0.30); the remaining ~70% is absorbed by the atmosphere, land, and oceans.