Air pressure at high altitude ?
我想問:
As we know that warm air rises and cool air drops, warm air should have more air pressure ( 因為其中一個 increase air pressure 的方法是 heat up gas ). 那麼為什麼 the air pressure is low at high altitude
( e.g. mountain)?
希望你們可以解釋清楚給我知道 !
Thank you !!!!!!