The correct option is C Only 3
Two factors leading to the formation of high and low pressure are thermal and dynamic.
(i) Thermal Factor Low pressure is caused by heating.
(ii) Dynamic Factor it operates through a fractional drag and centrifugal force.
On the earth’s surface, there are seven pressure belts. They are the Equatorial Low, the two Sub-Tropical highs, the two Sub-polar lows, and the two Polar highs. Except the Equatorial low, the others form matching pairs in the Northern and Southern Hemispheres.
There is a pattern of alternate high and low pressure belts over the earth. This is due to the spherical shape of the earth—different parts of the earth are heated unequally. The Equatorial region receives great amount of heat throughout the year. Warm air being light, rises at the equator, and creates a low pressure