Sea Food and water mostly.
I'm pretty sure its limestone, if not, then its sandstone
Answer:
sure what you wanna talk bout
Explanation:
1. B 80 feet
since the contour lines go by 25 B is between 75 and 100 and the only option left is 80
2. C 135 feet
point X is above 125 feet in elevation already and the only option is 135
