Question

Define permafrost.

a. water below the surface of the tundra stays frozen all year long
b. the frozen soil in mountain highlands
c. rainwater that collects on rocks after a cold rainstorm
d. the dew droplets that freeze at high altitudes

Answer 1

i think its b. the frozen soil 

Answer 2

B. The frozen soil in mountain highlands. Permafrost is a layer of soil that stays frozen year long, only in the polar regions