Natural rocky shores, bulkheads, and seawalls.
Mayan architecture:
Pyramids, temples, palaces, and walls.
Answer:
Most of Earth's freshwater is locked in ice
Over 96% of Earth's water is saline (salty) and found in the ocean. Only a little over 3% of Earth's water is fresh. Most of that freshwater (68.7%) is frozen in glaciers and ice caps.
Explanation:
I would probably go with A because judging from the map it looks like most of it is mountains. <span />