Gold is a naturally occurring element, symbol Au.
natural
Acrylic is a synthetic fiber made from polymers derived from petroleum or natural gas. It is not a natural fiber like cotton or wool.
It is a synthetic addition polymer.
Gold-198 is a synthetic isotope that is produced artificially by bombarding gold-197 with neutrons in a nuclear reactor.
The 'filling' part of cardboard is natural: wood dust The 'binding' part is synthetic glue
Gold-198 is not naturally occuring.
It is synthetic, but what we use to make concrete is natural AND synthetic.
is bromine natural or synthetic?
Polyester is synthetic.
it is synthetic
they are synthetic.
Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.
its natural
natural
natural
True. Compounds and mixtures can be either synthetic or natural. Synthetic compounds are created by humans in a laboratory while natural compounds are found in nature. Similarly, mixtures can also be either synthetic or natural based on their origin.
Acrylic is a synthetic fiber made from polymers derived from petroleum or natural gas. It is not a natural fiber like cotton or wool.