A valley train is ____.
a. a string of lakes in a glaciated valley
b. a deposit of till where a hanging valley entered the trunk glacier
c. a first-order tributary glacier
d. stream-deposited sediment just beyond the toe of a valley glacier
Question 2
When ____ cools and solidifies, it becomes an igneous rock.
a. limestone
b. magma
c. a mineral
d. shale