Gases are useful for lots of things. you might need to specify on what gas it is?
Because you can measure the amount of gas
Useful: Energy Light Sound Non-Useful: Electricity C02
it is useful for idiots
useful effect viruses
Silence is most useful when broken.
it is useful
oxygen is th most useful gas
That depends on what effect is desired; If you like to breathe, it is a useful gas; If you prefer that your car (or whatever) not be rusty (oxidized), then it is a harmful gas.
Ammonia is a useful gas. We use it for make baking soda.
Noble Gases are useful because they make up chemical elements.
yes.
it is used as a gas checker
it is not its made of dangerous gas
if you burn natural gas in a boiler it is useful or harmful
Gas has chemicals in it so it well affect you're lungs
It is useful to life because all living organisms need it. In a gas form.
- it is a practically inert gas