Answer:
The Moon has an atmosphere.
Explanation:
The Moon has an atmosphere, but it is very tenuous. Gases in the lunar atmosphere are easily lost to space. Because of the Moon's low gravity, light atoms such as helium receive enough energy from solar heating so that they escape in just a few hours.
I believe the answer is A
Then something would go down.
The answer is B photosynthesis
1 liter= 1,000,000 microliters
20 mL= 20,000 microliter
I hope this helped ;)))