Either.
However the natural form is rare on the surface of the earth, but higher levels are in some igneous rocks, some lavas, and all meteorites.
Hafnium is a natural chemical element.
Hafnium is a natural chemical element.
synthetic
Cotton and wool are natural; nylon is synthetic.
The difference between natural and synthetic things are that synthetic things are not real. The definition for synthetic is: artificial; not genuine. Natural things are things that can be found in nature and is real.
natural fabric a sobs more water the synthetic fabric. natural fabric is natural plants. synthetic fabric is man made.
natural
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
synthetic
Cotton and wool are natural; nylon is synthetic.
synthetic
Semi-synthetic
they are synthetic.
The difference between natural and synthetic things are that synthetic things are not real. The definition for synthetic is: artificial; not genuine. Natural things are things that can be found in nature and is real.
natural fabric a sobs more water the synthetic fabric. natural fabric is natural plants. synthetic fabric is man made.
its natural