Drag each tile to the correct box. Not all tiles will be used. Create a summary of the passage by placing the four most important points in the correct order.

1. Most Submarines are created solely for military purposes

Submarines according to the text, are created primarily for warfare with their main weapons being torpedoes that are like mini self-propelled submarines carrying an explosive charge.

2. Submarines either rise or submerge by displacing water.

Submarines use the Archimedes principle which works by displacing water that weighs more than the boat to rise.

3. Some submarines are used for Oceanic Exploration

Some or at least 1 at that moment being the Argonaut was built for oceanic exploration and is equipped with diving appliances and equipment to enable it save wreckage.

4. All submarines must be sure not to descend too far underwater.

Every submarine has a limit in terms of the depth it can submerge to and it should not go beyond this point. Water bodies have their pressure in them as sink deeper and if the submarines go beyond the point where the submarine can no longer withstand the pressure it will be battered.

the answer to the question is a

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.