Choose a questions.......?

Question

1.what is fire?

2.what is sea?

3.what is water?

4.what is internet?

5.what is cave?

you free to answer 1 or more question

Answer 1

4.what is internet?

A series of tubes.

Answer 2

i chose no 3 what is water.

water is hydrogen and oxygen combined.

Answer 3

Fire is the heat and light energy released during a chemical reaction, in particular a combustion reaction.

A sea is either a large expanse of salt water connected with an ocean

Water is a common chemical substance that is essential for the survival of all known forms of life. it consists of 2 hydrogen and 1 oxygen atom

The Internet is a global system of connected computer networks

a cave is where a bear or caveman might live

wikipedia is your friend, common sense would be too if you let it.