WorksheetsWater pollution
Total questions: 9
Worksheet time: 8mins
How can we understand that water pollution exists ?
dissolved impurities in it causes harm to human health
presence of undesirable and harmful substances and microorganisms
Oil pollution
Mining
State three points in which we can prevent water pollution ?
Which of these causes water pollution
Food
Slurries
Use of pesticides and fertilizers
Afforestation
Enhanced ----------- may result due to the water spending a longer time in the dam.
(a)
What do you mean by accidental water pollution ?
What happens if fats and grease poured down the drain ?
Nothing
Fat jar
The pipe bursts
Pipes might clog and cause sewer pipes to clog and back up into yards and basements.
What does organic food mean ?
What percentage of the Earth's fresh water is available to us?
97 %
7 %
1 %
50 %
What percentage of the Earth's fresh water is available to us?
97 %
7 %
1 %
50 %
