environmental factors Flashcards
what are environmental factors?
environmental factors refer to the air, water and land around us.
what is pollution?
pollution is the contamination of the environment and living organism by harmful chemicals
what are the 7 types of pollution?
outdoor air pollution, indoor air pollution, water pollution, land pollution, food pollutants, noise pollution and light pollution
what are the causes of outdoor air pollution?
chemicals from factories, particles and nitrogen dioxide from vehicles
what are the causes of indoor air pollution?
aerosols, mould, cigarettes and carbon monoxide in boilers
what are the causes of water pollution?
farm fertilisers, factory waste and sewage leaks
what are the causes of land pollution?
land fill and intensive farming causing soil pollution
what are the causes of food pollutants?
fertilisers and chemicals used when processing food
what are the causes of noise pollution?
machinery, traffic and loud music
what are the causes for light pollution?
excessive artificial light (street lights)
what are the five negative affects of pollutants?
premature birth, reduction of brain function, lung damage, heart damage and allergies
what are the four affects of noise pollution?
stress, high blood pressure, hearing loss and disrupted sleep