Answer:
I think
D : Hydrogen gas has two atom , and oxygen has one atom
the answer is C. It allows citizens to submit anonymous tips to the police.
Answer:
Althought it us possible to have more then one state, it's also possible to have only one state of matter
Explanation:
You can make solutions of only one state if matter, for example , it two liquids can be mixed to form a solution they are called miscible.