1.

Army people can see their enemies while hiding themselves with the help of periscopes. Write about the use of periscope for their security.

Answer»

1. If the soldier is infront of his enemy, there will be a danger to his life. 

2. Army people make use of periscope to see their enemies by hiding themselves. 

3. This periscope is a gift made by making use of the properties of mirrors. 

4. I really appreciate the utility of the periscope.



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