_________ is the constructive effect of Earthquake.
Both A and B
Coastal plains are formed when ocean levels fall on continental shelves that are at sea level, or when rivers carry sediment to areas of the ocean. These plains can take hundreds of years to form, and a few are found hundreds of miles inland.
1. Earthquake may sometimes create new coastal plains, by the emergence of a portion of ocean floor.
2. Submergence of coastal land may result in the formation of bays and gulfs which are favorable sites for the development of ports harbors.
3.Earthquakes result in the formation of hot springs and geyser beneficial for medicinal purposes