Answer:
A. Lava flows block a river.
D. Ice sheets leave depressions that fill with water.
E. Movement of Earth's crust creates low areas that fill with water
Explanation:
When viewed from the equator (0 degrees latitude), Polaris lies on the northern horizon. As an observer moves northward--say, to Houston, Tex. (30 degrees latitude)-- Polaris is located 30 degrees above the northern horizon.
A dome mountain is formed