Argon (Symbol Ar) is a naturally occurring gas. It chemically inert and known as a noble gas. Argon comprises about 1% of the Earth's atmosphere. It is recovered by the fractional distillation of liquid air.
Argon is a natural element found in the air.
natural
Argon is a gas at STP.
Natural is to nature as artificial is to artifice.
The definitions is : Natural- A natural plant Artificial- An artificial one
It is mainly the atmosphere. Compounds of argon are not natural on earth.
Antonyms for "artificial" are genuine, real, and natural.
no. argon is not found in the human body
artificial
According to wikipedia, argon has 24 known isotopes. 40Ar is most abundant at about 99.6% of natural argon.
natural
artificial can't be found in natural environment and are maken in labs