Multiple choice

An unstable airmass, when pushed up,

  1. moves up on its own

  2. stays constantly there

  3. sinks back

  4. none of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An unstable airmass is characterized by air that continues to rise when given an initial upward push because it remains warmer and less dense than the surrounding environment. Therefore, it moves up on its own.