dfsserfdytr
Neither. Argon is naturally occurring noble gas
Silver is a naturally occurring metal. It is an element in the Periodic Table.
"Synthetic" refers to something that is artificially created rather than naturally occurring. It is often used to describe products or materials that are man-made through chemical processes or industrial methods.
No, boron is a naturally occurring element that is found in the Earth's crust. It is not synthetic.
PMMA is a synthetic material, made through a polymerization process of methyl methacrylate monomers. It is not naturally occurring in nature.
Gold-198 is not naturally occuring.
Synthetic
Gold-198 is not naturally occuring.
Neither. Argon is naturally occurring noble gas
No, gold is a naturally occurring mineral element.
No, barium is a naturally occurring chemical element found in minerals such as barite and witherite. It is not a synthetic element.
Sulphur (aka sulfur) is a naturally-occurring substance.
Naturally occurring, Uranium. Synthetic, to be determined.
Silica Sand
Silver is a naturally occurring metal. It is an element in the Periodic Table.
Boron is a naturally occurring element found in the Earth's crust. It is not a synthetic material.
"Synthetic" refers to something that is artificially created rather than naturally occurring. It is often used to describe products or materials that are man-made through chemical processes or industrial methods.