pharmaceuticals - the kind of industry that produces medicine, carbon - a chemical found in diamonds and coal, CO2 - the gas we breathe out, reaction - mixing chemicals may cause a chemical .............., fertilizer - a natural or chemical material caused by farmers to help grow crops, absorb - plants ..............water through their roots, bleach - a household chemical product used to disinfect, toxic - another word for "poisonous", substance - a way of describing a material with particular physical characteristics, emission - the release of a gas, petrochemicals - the chemicals derived from petrol or natural gas, additives - the chemicals added to food, CFCs - an abbreviation for the gases that harm the ozone layer, contamination - a nuclear incident may cause this, organic - the opposite of "synthetic", plastics - the different types of synthetic material which can be molded and shaped to make many products, pesticides - chemicals used to kill unwated insects, radiation - a form of energy from nuclear power which is dangerous to huamans and animals,

Theme: Chemistry, Medicine, Science

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