PMMA is a synthetic material.
Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.
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.
Ampicillin is a semi-synthetic antibiotic, meaning that it is derived from a natural source (penicillin) but has been chemically modified to enhance its effectiveness.
Lithium is a natural element that is found in various minerals and salts in the Earth's crust. It is not a synthetic element.
Well, darling, the opposite of "synthetic" is "natural." Synthetic means man-made, artificial crap, while natural means straight from Mother Nature's bosom. So if you want the real deal, go for natural every time.
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
PMMA LDPE HDPE
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.