cutting of trees

excessive digging of soil

throwing garbage

all of the above

burning of wastes results in accumulation of ash

dumping of non-decaying products such as plastic and glass into the soil

none of these

both 1 and 2

by not throwing garbage into water bodies

by not washing clothes and utensils near the river banks

by preventing leakage of fuel that is present in motorboaats

all of the above

it irritates

it disturbs and interferes with our everyday activities like sleeping,talking and reading

None of the above

both 1 and 2

by not dumping garbage or waste on land

by not burning wastes

by planting trees

all of the above

factories

cars

crackers

all of the above

the harmful substances that are present in land,water and air that causes pollution

polluting substances

can't say

both1 and 2

causes skin allergies

causes irritation in throat and eyes

causes cough and headache

causes breathing problems

all 4

by reducing

by reusing

by recycling

all 3