To search for targets and threats in the surrounding sea and air, submarines make use of - Study24x7
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7 followers study24x7 08 Jan 2019 05:15 PM study24x7 study24x7

To search for targets and threats in the surrounding sea and air, submarines make use of

A

Kaleidoscopes. 

B

Periscopes. 

C

Magnifying glass. 

D

Rear view mirror.

Class 7
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