m46.    How do pesticides impact the environment?

Average US homeowner applies 3 to 6 times more pesticide per hectare than do farmers. Pesticides are found in shampoos, carpets, mattresses and contact lenses.

e01.    What is biodiversity?

e03.    How do pathogens and insects affect trees?

e09.    What is succession?

e10.    Why do organisms become extinct?

e19.    What materials can cause water pollution?

e20.    What are environmental hazards and risks?

e21.    What are chemical hazards?

g19.    Where do you find air pollution?