Hydrogen gas (just made of hydrogen atoms) can be used on its own as a fuel
as well, for example in rockets and new types of cars. Does the combustion of
hydrogen gas form any carbon dioxide as a product? Explain your

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Nonpoint source pollution is difficult to control because it

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.