Answer:
Option A and B
Step-by-step explanation:
Polar climates are of two types namely -
a) tundra - This is also known as ET climate. Tundra climate has at least one month out of the 12 months in a year in which the average temperature is lower than zero degree celcius
b) ice cap- This is also known as EF climate . In this climate, all the moths with in a year have average temperature lower than zero degree
Option A and B is correct