4. 8 KM TO
16 KM
-8 KM OVER
POLAR REGIONS
-16 KM OVER
EQUATORIAL REGION
-LIVING THINGS
CAN BE FOUND
5. DENSEST LAYER
AS ALTITUDE INCREASES
TEMPERATURE DECREASES
FROM 17O
C TO -51O
C
CONTAINS 75%
ATMOSPHERIC GASES
8 KM TO
16 KM
6. 8 KM TO
16 KM
WEATHER CONDITIONS
OCCUR
CLOUDS OF ALL
TYPES & STORM
BOUNDARY TROPOPAUSE
7. LESS DENSE
& RELATIVELY DRY
JET STREAM
(STRONG STEADY
WINDS)
OZONE LAYER
CAN BE FOUND
REACHES UP
TO 50 KM
HIGH
8. REACHES UP
TO 50 KM
HIGH
ALTIDUD
E
TEMPE
RA
TURE
BOUNDARY STRATOPAUSE
9. CONTAINS LITTLE
AMOUNT OF AIR
TEMPERATURE
DROPS TO -930O
C
REACHES UP
TO 85 KM
HIGH
BOUNDARY MESOPAUSE
PROTECTS THE
EARTH IN FALLING
METEORS
10. REACHES UP
TO 600 KM
HIGH
ION-REACH REGION
HIGH-FREQUENCY
SOLAR RADIATION
REFLECTS RADIOWAVES
BACK TO THE SURFACE
11. REACHES UP
TO 600 KM
HIGH
AURORAL DISPLAYS IN POLAR REGIONS
(bands of light with different colors)
aurora borealis
in NORTH
aurora australis
in SOUTH
12. REACHES UP
TO 600 KM
HIGH
ALTIDUDE
TEMPERA-
TURE
BOUNDARY THERMOPAUSE
