19.10.2015 Chapter
21- “ Saving The Environment”
WORD
TO REMEMBER:-
1.
Environment:- Everything that surrounds us,
including both living and non-living things.
Q1.
What are the main components of the environment?
Ans1.
Environment includes both living and non-living things.
NON
LIVING COMPONENTS of the environment are land, air, water, light,
temperature etc.
LIVING
COMPONENTS of the environment are plants, animals, germs and all
other living things.
Q2.
How are trees useful to environment?
Ans2.
a) Trees help to keep the air clean.
b)
Trees help absorption of water by the soil, so that ground water
levels are maintained.
c)The roots of the trees bind the soil and prevent soil erosion.
c)The roots of the trees bind the soil and prevent soil erosion.
Q3.
Carrying your own bag when you go shopping helps the environment.
How?
Ans3.
Carrying our own bag reduces the use of plastic bags by shopkeepers
helps in reducing land pollution as platic is a major reason of
pollution.
