is bromine natural or synthetic?
Polyester is synthetic.
it is synthetic
The opposite of the word "synthetic" is "natural."
They are the foundations of natural concrete
Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.
they are synthetic.
its natural
natural
Concrete, Terrazzo
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.