It means that the chemical is artificially made. Another definition could be that it isn't a naturally occurring substance.
No. Lithium is a naturally occurring element.
No. Natural chocolate diamonds are made by Mother Nature in a way that gives them their chocolate colour. However, there are man-made chocolate diamonds.
Chemicals yes, elements however, no. Elements are themselves chemicals, Burn hydrogen in oxygen and you'll end up with water, another chemical.
It depends on the specific chemicals used. Some chemicals may cause rubber to break down, become brittle, or lose its elasticity. Other chemicals may have no effect on rubber. It is important to consult the chemical compatibility of the specific substances before applying them to rubber to avoid damage.
All substances are chemicals; soil is composed of chemicals, water is a chemical, fertilizers, pesticides, dead leaves, everything that is put on soil is composed of chemicals. If you want to know the effect of chemicals, there are all sorts of effects depending upon which specific chemicals we are dealing with.
CFC's harm the ozone. They react with it and deplete it.
Manmade actually.
Manmade
manmade
Manmade God ended in 2004.
Manmade God was created in 2001.
Chlorofluorocarbons (CFCs) are manmade chemicals that harm the earth's protective ozone layer by breaking down ozone molecules. This leads to the formation of ozone holes, which allow harmful ultraviolet radiation to reach the Earth's surface. Efforts have been made to reduce the production and use of CFCs through international agreements like the Montreal Protocol.
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Chlorofluorocarbons (CFCs), halons, and some types of hydrochlorofluorocarbons (HCFCs) are manmade substances that can break down ozone in the Earth's stratosphere. These chemicals release chlorine and bromine atoms when they reach the stratosphere, which then catalyze the breakdown of ozone molecules.
No, the moon is a natural astronomical body that orbits the Earth. It is not manmade.
Yes the Great Wall of China is manmade .