As altitude increases, what happens to air pressure

the air pressure decreases with increasing altitude, there are fewer air molecules in higher places like (mt everest) than lower places like (the sea) the air also become less dense as you would have trouble breathing(low o2)

plz vote my answer the brainiest as im trying to lvl up, hope this helps!

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.