Multiple choice

Which of the following is not a low cloud?

  1. Stratus

  2. Cirro Stratus

  3. Nimbo Stratus

  4. Cumulo Nimbus

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

Clouds are classified by altitude. Stratus, Nimbo Stratus, and Cumulo Nimbus are low-level clouds, whereas Cirro Stratus is a high-level cloud.