Question

Mention two constructive ???

Answer 1

hey mate!

Earthquake may sometimes create new coastal plains, by the emergence of a portion of ocean floor.

2. Submergence of coastal land may result in formation of bays and gulfs which are favourable sites for the development of ports harbours.

Raghav,

neyveli. 3.Earthquakes result in the formation of hot springs and geyser beneficial for medicinal purposes

hope this may help you!