i just had this question and i totally guessed. it was 2.2.
None of the above are the name of an air mass. This is probably a trick question.
Answer:
no where we all stay home
How long it takes to earth to revolve completely on its Axis
The formula is a= chance in velocity/time
A=10-0/2
A=10/2
A=5 m/s^2 (meters per second squared)