Question

What could be the reason behind a low pressure belt in the Tropics?​

Answer 1

Explanation:

There will be high temperature in tropics which makes the air molecules in the atmosphere to expand and move upwards

Thus if air particles move upwards there will be very low air pressure on ground so it creates a low pressure condition in tropics

hope it helps you

Answer 2

Answer

Usually sub tropical zone has a permanent high pressure zone because of the submergence of the deflected winds from the equatorial low pressure belt. But if any place suddenly become hot because of others atmospheric phenomenon, a low pressure zone can be caused which further may lead to a tropical cyclone.