No. Helium is an element.
No, Helium is not manmade. It naturally occurs in nature. It can be artificially produced though.
It is a noble gas on the Periodic Table, atomic number 2.
No it is not. Natural gas is not man-made, and fluid gas is man-made.
A gas that is not man-made or refined.
The Bhopal gas tragedy is known as a man made disaster. It is because the disaster was caused due to human mishandling.
it has to, man
YES
It is a natural Noble gas.
Man-Made - 2007 Gallon of Gas 3-10 was released on: USA: 24 September 2009
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Yes, Bhopal Gas Tragedy is a man-made disaster
No. CFC's are a man made gas.
Petrol is somewhat man made. Oil is a natural resource but it must be refined in order to make gas or petrol from it.
gas