368,911 views
27 votes
27 votes
What causes air pressure a any point on earth

User Gerard Yin
by
3.0k points

1 Answer

22 votes
22 votes

Air pressure is caused by the weight of the air molecules above. This pressure causes air molecules at the Earth's surface to be more tightly packed together than those that are high in the atmosphere.

User Eric Tatara
by
2.7k points