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The kind of industry which produces medicines
pharmaceuticals
a chemical found in diamonds and coal
carbon
The gas we breathe out is
CO2
Mixing chemicals may cause a chemical
reaction
a natural or chemical material used by farmers to help grow crops
fertilizer
Plants _____ water through their roots and sunlight through their leaves
absorb
a household chemical product used to disinfect
bleach
another word for poisonous
toxic
a way of describing a material with particular physical characteristics
substance
the release of a gas
emission
the chemicals derived from petrol or natural gas
petrochemicals
the chemicals added to food are called "food..."
additives
an abbreviation for the gases which have now been removed from aerosols to protect the ozone layer
CFCS
CFCS is ...
Chlorofluorocarbon
a nuclear accident may cause _____ of the surrounding area
contamination
the opposite of synthetic
organic
