Soil Pollution

Question 1

ways soil can become polluted

Answer 1

seepage from a landfill
discharge of industrial waste into the soil
percolation of contaminated water into the soil
rupture of underground storage tanks
excess application of pesticides, herbicides, or fertilizer
solid waste seepage

Question 2

most common chemicals involved in soil pollution

Answer 2

petroleum hydrocarbons
heavy metals
pesticides
solvents

Question 3

effects of soil pollution

Answer 3

negative effects on human heath
effects on growth of plants
decreased soil fertility and decreased soil yield
toxic dust from landfills pollute the environment
changes in soil structure

Question 4

how do the death of soil organisms affect changes in soil structure?

Answer 4

death of soil organisms such as earthworms lead to alteration in soil structure

Question 5

what are the effects on growth of plants from the effects of soil pollution?

Answer 5

ecological balance is affected
soil chemistry changes
fungi and bacteria found in soil decline
nitrogen fixing bacteria decline