Which of the following can happen to solar energy after it enters the earths atmosphere?

a) absorbed by the earths surface
b) absorbed by celestial bodies
c) reflected at the thermopause
d) reflected by the moon

answer asap this is a timed test and i have like 40 minutes left

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Why don't you see your reflection in water with waves or repples

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.