Multiple choice

Which of the following is caused by colder air hitting the warmer air?

  1. Avalanche

  2. Whirlpool

  3. Thunderstorms

  4. Lightning

  5. Wildfires
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Thunderstorms are caused when colder air hits warmer air. The moisture in the clouds cools off and drops as rain, or hail. The movement caused by the meeting of the cool and warm air produce winds and possible lightening and thunder.

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