"German submarine" is a common noun. It refers to any submarine manufactured or operated by Germany, not to a specific individual entity.
This is an old and a common term. The torpedo has been used since the first submarine's were used in war time.
they are both at the bottom of the ocean full of seamen
No, the noun 'submarine' is a common noun, a general word for any underwater vessel.A proper noun is the name of a specific person, place, or thing; for example, Submarine Beach Road in Nome, AK.The word 'submarine' is also an adjective, a word used to describe a noun.
common things about hummingbirds and bats
That would be the result of a submarine volcano. Pillow lava is a common type of lava that submarine volcanoes produce.
Here is a common saying that uses the word reliable. As reliable as a screen door on a submarine.
Echo location, also called SONAR. This is just like the pinging you hear in a submarine movie
The prefix "sub-" means below, under, or beneath. It is commonly used in English to indicate something that is of a lesser degree or lower in position.
You drag the word "submarine" itself onto the submarine. Then you wait for it to sink.
"Yellow Submarine"because my friend had to play it for a exam.
Victor G. Durham has written: 'The Submarine Boys' Lightning Cruise' 'The Submarine Boys and the Middies The Prize Detail at Annapolis' 'The Submarine Boys' Lightning Cruise (The Submarine Boys)' 'The Submarine Boys on Duty' 'The Submarine Boys and the Middies (The Submarine Boys)' 'The Submarine Boys and the Spies'