1. The Moon’s surface is best described as: a. finegrained powder, b. solid rock, c. rocky rubble, d. liquid water oceans and dry land, e. molten rock. 2. What type of chemical or molecule is most...

1. The Moon’s surface is best described as: a. finegrained powder, b. solid rock, c. rocky rubble, d. liquid water oceans and dry land, e. molten rock.

2. What type of chemical or molecule is most common in Earth’s atmosphere? a. carbon dioxide, b. oxygen, c. water, d. nitrogen, e. hydrogen.

3. Why does Earth’s albedo change daily? seasonally?