Question

correct the false statements :- ocean trenches can be located near the
continents

Answer 1

Deep trenches near continental shelf is due to subduction phenomenon.
In the mid of ocean , plate subduction is not occuring at the same intensity when compared with that of the shelf because of less difference in density.

Answer 2

Outof this four options

Option d is wrong

Oceans trenches can be located near the continents
b) Relief features of the oceans are like plains
c) Most salt in the seas are washed into it from the land over centruries
d) Temperature of ocean water remains the same across the globe