Ammonia occurs naturally, but for our purposes it is usually synthesized.
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
Yes. Ammonia is a natural bi-product of some biological properties. Most of this ammonia is converted into urea.
It is synthetic, but what we use to make concrete is natural AND synthetic.
Plastics Fertilizers Chemicals (e.g. ammonia) Synthetic fibers (e.g. polyester) Paints and coatings Detergents Adhesives Household cleaners Synthetic rubber Energy (via electricity generation and heating)
is bromine natural or synthetic?
Polyester is synthetic.
it is synthetic
Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.
they are synthetic.
its 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.
It might have been to replace nitrogen.
natural