Which air mass often originates as a different air mass in siberia and is subsequently altered? a. mt b. cp c. mp d. ct

C. m P

Explanation:

Due to the extreme low temperatures were generated by the air blowing from Siberia to particular direction.  But almost  in parallel direction.

The correct answer is option B. "cP".

Explanation:

The Continental polar (cP) air mass, also known as continental arctic (cA) air mass, is characterized by having a cold, dry and stable trajectory. The cP air mass originates  in Siberia, as well as northern Canada and Alaska, as a result of radiational cooling. Just like most air masses, cP air mass is subsequently altered once it leaves its origin by moving into places where the sun angle is higher.

answer; i believe the correct answer is ( proteins );

yes? sounds right, but you didn’t ask a question.