What is the name of the instrument used in a submarine to allow the crew to see above the surface of the water? Sketch a diagram of this instrument , showing a light ray going through it It is SCIENCE but it is not here

Periscope

Explanation:

Submarines are navigational machines which are capable of traveling under water. They are made of metal and tight sealed such that water penetrating omis almost impossible. Submarines are sophisticated and are usually used by the military to monitor and perform other naval duties.

Howerver, despite the fact That Submarines navigate below the suface, they have an equipment called the periacipneqhichbenabkes those inside to see and access what is happening on the surface, they use the Periscope.

definition was not one of the four methods

a complex sentence consists of an independent clause and one or more dependent clauses.  

to write complex sentences, we must use subordinating conjunctions.  

all the complex sentences begin with a subordinating conjunction and when it occurs, a comma must be place at the end of the dependent clause. on the contrary, if the sentence begins with an independent clause, then no comma is used.

after  

although  

as  

because  

before  

if  

since  

when  

for example,  

after she won the competition, she became very popular.  

although my father was hurt, he continued fighting for his rights.  

as all of you got a ten, you will be able to leave early today.  

before he went to the war, he asked his parents to bless him.  

if it is cold, i won’t go out.  

since you didn’t bring the homework, you will get low grades.  

when it is hot in the town, everyone goes to the beach.