1. at which location would sunlight have to pass through the thickest amount of atmosphere before reaching earth’s surface?
select one:
a. at the poles
b. at the equator
c. at the subtropical latitudes
d. at latitudes between 50 and 80 degrees

2. which surface exhibits the highest albedo measurement?
select one:
a. sand
b. forest cover
c. bare soil
d. fresh snow