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The air pushes up and down andsideways.We call this push “airpressure.” Scientists often need to knowwhat the air pressure is.To find itout they use barometers.“Barometer”means“pressure measure.”
The air pushes up and down andsideways.We call this push “airpressure.” Scientists often need to knowwhat the air pressure is.To find itout they use barometers. “Barometer” means “pressure measure.”