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Current Events: Crash Course Kids #34.1

What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure. The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure zone over the land, forming a lovely sea br

Current Events: Crash Course Kids #34.1 — Science video cover

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