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Gas is co or ch4 They dont have color even not smell When it liquid ,it Dont smell ,but something added can smell . so you know it liquid
What kind of vehicle are you looking at?
you cant really see natural gas just like you cant see wind or air but it there none the less. You can't see it, you can only smell it I think. natural gas is in a vapor form and isn't visible by the human eye. The only you can smell natural gas is because they add a sulfur scent to it for safety! Definitely do the "sniff test" if you're concerned about leaking natural gas!
air
no you cant see or smell oxygen it comes from trees
it cant fly ,see , or smell
no, you cant touch it, taste it see it or smell it
1:Can feel it but cant see it 2:It can be soft, strong or in between 3:It can smell bad or good 4:If it is smoke than you can see it Well that's all I got you can improve this answer
A RINO!!! right?
helium is a gas that has no smell or tast and you can not see it
static electricity
no, they can't they only smell Nothing else but smell they cant see