Naturally occurring as it is a stable element. Synthetic means man made and it would be pointless to make oxygen when there is so much of it floating around in the air or in water even if it could be done.
Silicone is a synthetic material made from silicon, oxygen, carbon, and hydrogen. It is created through a chemical process and does not occur naturally.
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.
The 'filling' part of cardboard is natural: wood dust The 'binding' part is synthetic glue
Oxygen-16 is the most abundant isotope of oxygen, accounting for about 99.76% of natural oxygen. Oxygen-15, on the other hand, is much less common, with a natural abundance of only about 0.04%.
Silicone is a synthetic material made from silicon, oxygen, carbon, and hydrogen. It is created through a chemical process and does not occur naturally.
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.