Research submarines, their origins, how they are powered, and how they are able to float or sink. Then answer the following questions.

Question

How is a modern submarine able to adjust its buoyancy so that it can either float or sink? Use Archimedes' principle as part of your explanation.
Who invented the first submarine? What was it made from and how did it work?

Answer 1

May I humbly suggest that you follow the directions. RESEARCH the subject and then you will be able to answer the questions. I don't think anyone here will write your paper for you.

Answer 2

shut up bob respectfully

Answer 3

^lmaooo