Environmentalmedium · Past Paper

What is 'Albedo'?

AThe amount of heat absorbed by a surface
BThe fraction of solar energy reflected by a surface
CThe temperature of the core of the Earth
DThe speed of wind at sea level

✓ Correct Answer: BThe fraction of solar energy reflected by a surface

Albedo is a measure of the reflectivity of a surface, with ice having a high albedo and dark soil having a low albedo.

Share this question

More from Environmental