German bombs.
Bromine
There are 3 main types of chemical bonds. The three main chemical bonds are Ionic, Hydrogen and Covenant.
There are three main types of chemical bonds. The main types are; ionic bonding, covalent bonding and polar covalent bonding.
methane(CH4) is the main chemical in natural gas. althogh natural gas also contain small quantity of ethene.
Enzymes
DEET is not safe for ingestion. It is a poison, so it can not be spray on or near food. Anything that will kill a fly will do you no good as well.
so they can determine if the organisms will be harmful to humans
Air pollution is caused by various factors. Emissions from chemical industries, combustion of fuels, smoking cigarette. Carbon monoxide is generated during conbustion of fuels which is toxic and is harmful for humans and animals and is one of the main causes of air pollution.
Scientist believed that, the main reason for the acceptance of superstition believes is to prevent people from danger.E.g The believe that ''when you are bathing you don't sing''.Scientist explained that those days the chemical used to manufacture soaps are very harmful for humans if they come in contact with it.
Anyone who would answer this is an Idiot.. DON"T promote this harmful drug Please somethings should just stay a secret
4000 chemicals many of which are harmful 2 of them is acetone which is used in nail varnish and arsenic a killer poison
the main cause of air pollution is increase motor vehicle, industries like chemical industries etc .these emits co2, Co other harmful gasses. so increase level of these harmful gasses creates air pollution. other main cause is deforestation.
Bret Michaels was the former lead singer of Poison
harry
Bromine
solar energy cannot be collected at night or cloudy days, and when they turn the solar {sunlight} to make energy it releases a harmful chemical.
warfarin