the process by which soil is gradually removed from the surface of the earth by the action of the rain, sea, or wind
soil erosion
the gas or steam that is produced when the engine of a vehicle is running
exhaust fumes
the act of cutting down or burning the trees in an area
deforestation
to break down something into smaller and simpler parts
decompose
an illness usually caused by eating food that contains harmful bacteria
food poisoning
fish, and other creatures living in the water
aquatic animal species
a substance added to soil to make plants grow more successfully
fertilizer
a chemical used for killing pests, especially insects
pesticide
a synonym of 'produce'
manufacture
the problem of the slow steady rise in temperature of the earth’s atmosphere, caused by an increase of gases such as carbon dioxide in the air surrounding the earth, which trap the heat of the sun
the greenhouse effect/ global warming
gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago
fossil fuels
Carbon dioxide and Sulphur dioxide are called ...
greenhouse gases/ greenhouse emissions/ toxic gases
materials produced as a result of industrial activity, including solid rocks, chemicals, plastics, and other harmful substances
industrial waste
coughing, asthma, and lung cancer are ...
respiratory diseases
leave trash in a place
litter