What is NOT one of the results of thawing permafrost?
A. Soil will be useful for agriculture.
B. Thaw penetrates deeper into subsoil.
C. Buildings become destabilized.
D. Coastal areas have faster erosion.
E. Roads can become impassable.
Question 2
What is permafrost?
A. frozen surface dew
B. frost in the dirt
C. wintertime soil freeze
D. chunks of ice
E. permanent frozen subsoil