The submarine had been envisioned by ancients as a weapon to be used against surface ships. Hundreds of years went by before technology allow construction of one. The "real" boats were around in a limited way in WWI, but by WWII, they kicked butt. Today, we have superb military submarines. The submarine was also seen as a research vessel and a recreational vehicle before they advent of the "real" submarine.
There are now 'Attack' submarines who's main purpose is to sink enemy submarines and ships and also Missile submarines whose main purpose is to launch ballistic missiles at the enemy.
Ships try to avoid sinking, submarines sink on purpose...
Nuclear submarines are powered by a nuclear reactor and they are completely independent of air, so there is no need to surface frequently.
What is the basic purpose of insurance
basic purpose and function of an independent laboratory
The most basic purpose for having laws is to bring order to society.
To eat it.
All-purpose flour is considered neutral, meaning it is neither basic nor acidic.
Basic in Visual Basic stands for Beginner's All-purpose Symbolic Instruction Code.
Basic stands for Beginner's All-purpose Symbolic Instruction Code.
Basic stands for Beginner's All-purpose Symbolic Instruction Code.
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