Questions

The buying and selling of goods is called Trade. Trade is a part of business where goods and services are exchanged for mney and mainly to earn profit. Commerce is used to describe trade and all the other business activities and services which make trade possible like banking, insurance, transport and advertising.

An occluded front is a type of weather front formed in the process of cyclogenesis when a cold front is overtaken a warm front. When this happens, the warm air is separated from the cyclone center at the Earth's surface.

An occluded front likely bring much precipitation kind of weather.