Question

weather variations are caused by flow of hot our masses in relative to cold air masses

Answer 1

Explanation:

The given statement in question is true.

When warm air mass gets in the nearby of cold air mass, the warm air goes up in the atmosphere because it is lighter than cold air. When warm air goes up and up, the temperature gets low and this warm air tends cools, which results in the formation of water vapours.. They assist in the formation of clouds and eventually rain. Hence the temperature changes