Whenever a wave is brought on by a cool summer breeze across the field. The grass tilts in the wind's direction before reverting to its original posture. Option A is correct.
Air pressure variations within our atmosphere result in the wind, which is the movement of air.
Areas with a low pressure are approached by air in high pressure. The air flows more quickly when there is a bigger pressure differential. Most rapid winds.
The wind is the movement of air produced by changes in air pressure in our atmosphere.
High-pressure air goes toward low-pressure locations. The bigger the pressure differential, the faster the air moves.
Hence, option A is correct.
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