Question

the average albedo of earths surface is about: 50%. 67%. 3%. 30%. 90%.

Explanation:

Albedo is the measure of the reflectivity of a surface. Earth's average albedo is calculated considering various surfaces like land, water, ice, etc. Ice and clouds have high albedo, while water (especially the ocean) has a relatively low albedo. Through scientific measurements and calculations, it is determined that the average albedo of Earth's surface is approximately 30%.

Answer:

30%.