alleryStart learning →Which cause mainly creates the pressure differences that drive winds?
AMoon's gravity pull
BTemperature differences
COcean salt content
DEarth's magnetic field
Answer & Solution
Correct answer: B. Temperature differences
Uneven heating makes some air warm and light and some cool and dense, which sets up pressure differences.
Keep practising Winds, storms and cyclones
Browse all Winds, storms and cyclones questions for Olympiad (Class 7), or explore more Science topics.
Related questions
How can a thunderstorm with no rain start a wildfire?Thunder is audible from your garden. What does it mean?Why should you avoid taking a shower during a thunderstorm?Caught away from home as thunderstorms approach, where is it safest to shelter?Which type of thunderstorm is the strongest and most severe?The Fujita scale rates the strength of a tornado using what?A tornado-like funnel forms over a large lake. What is it called?What is a tornado?