Answer:
U-shaped valleys, hanging valleys, cirques, horns, and aretes
Explanation:
The horizon is always always always always ALWAYS 90˚ above the zenith.
I'm pretty sure the answer is D but it's been a while since I've studied this. 95% sure it's D though :)
The answer is A. colors and symbols because legends are basically there showing you what all the things on the map represent.