Question

Global belts of low and high air pressure are caused by _____.

Answer 1

I think the correct answer would be the first option. Global belts of low and high air pressure are caused by horizontal air currents. Air current travels horizontally in the direction from low pressure to a high pressure zone. So, it is the horizontal movement of air that causes air pressure.

Answer 2

Answer: B. vertical air currents

Hope this helps!