Multiple choice

Clouds are categorised based on their shape and height in the atmosphere. Which of the following is not a form of cloud?

  1. Cumulus

  2. Cirrus

  3. Stratus

  4. Altostratus

  5. Strombolian

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

This is not a type of cloud, but is a form of volcanic erruption. Strombolian eruptions are relatively low-level volcanic eruptions, which are characterized by the intermittent explosion or fountaining of basaltic lava.