Lithium is a natural chemical element.
It is natural. It appears in soil, the ground, and in rocks and crystals such as petalite ore.
synthetic
Semi-synthetic
natural
Lithium is a natural chemical element.
You are a stupid retard.
It is synthetic, but what we use to make concrete is natural AND synthetic.
lithium salt areman made its not a natural
is bromine natural or synthetic?
Polyester is synthetic.
it is synthetic
synthetic
It is natural. It appears in soil, the ground, and in rocks and crystals such as petalite ore.
Cotton and wool are natural; nylon is synthetic.
Semi-synthetic
synthetic