Multiple choice

Along a trough line, the weather can be

  1. pleasant

  2. fair

  3. bad

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A trough line represents an elongated region of relatively low atmospheric pressure. Troughs are associated with rising air, cloud development, and often precipitation or stormy conditions as they mark the boundary between different air masses.

Keep practicing — related questions