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

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse

The most common form of matter in the universe