Page 10 - LAYERS OF ATMOSPHERE AND ITS IMPORTANCE

Importance of the
I mpor t ance of t he

pher
t
e
Atmosphere
A
mos

t
he r
ur
f
or
I
e
maint
ains
t

emper
t
t
a

• •It maintains the right temperature for
ight
the survival of living organisms on the
t he s ur v iv al of liv ing or ganis ms on t he
ear t h. I t allo w s onl y s ome of t he hea t
earth. It allows only some of the heat
t o r eac h t he ear t h s ur f ace, w hile t he
to reach the earth surface, while the
is
ef
rest is reflected back. Thus, the earth
t
he
r
lect
hus
, t
T
r
k.
ear
es
h
bac
t
ed
does not become too hot during the
does not become t oo hot dur ing t he
day . A ls o , hea t t r a pped by t he
day. Also, heat trapped by the
atmosphere prevents the earth from
a t mos pher e pr e v ent s t he ear t h f r om
becoming too cold during the night.
becoming t oo cold dur ing t he night .
t
t
h f
he ear
s

I
mf
t
ul U
• • It protects the earth from harmful UV

V
om
ect
r
ot

pr
har
of

t

r
rays of the sun.
s
ay
he s
un.
helps
t
a
ough
y
c
ling w
I
• •It helps in recycling water through
hr

er
t
t

ec
in r
evaporation of water from water
e v a por a t ion of w a t er f r om w a t er
bodies , condens a t ion of w a t er v a pour
bodies, condensation of water vapour
all.
r
ainf
and rainfall.
and