Question: Just a few days ago, Beth waded into her family's pond. Now when she stepped off the bank the pond was hard and she could walk on the surface. What happened?
Choices:
text: a cold front had moved into the area
label: A
text: The pond had drained into an underground river
label: B
text: There was a lot of algae on the pond's surface
label: C
text: It had rained the night before
label: D
Answer: A
Fact: freezing causes a solid to form