Answer:
(2)They contain enzymes that function at low temperatures.
Step-by-step explanation:
The polar regions of the earth are regions that share close proximity with the earth's poles. The regions receive very low radiation from the sun compared to other regions of the earth. It is characterized by extreme cold and heavy glaciation.
Hence, soil bacteria that inhabit the polar regions have to be able to function at low temperatures. Having enzymes that function at low temperatures is a good way to start.
The correct option is (2).