Answer:
Front
Explanation:
The boundary between two air masses have unique densities. When it does now not move, it is known as "stationary"; "warm" when hotter air replaces cooler air; "cold" when cooler air replaces warmer air. Hope this helps!
Is A
For Exam on A.P.E.X
Instructions are given by the teacher.
It's pretty good!!! Nice job!!!
be yourself be kind
