10,000 FEET
30,000$0,000
FEET
TROPOSPHERE
’
40,00060,000
FEET
TROPOPAUSE ————~- 1
STRATOSPHERE
———
Ay
GROUND
qi
STEM
-
23
100-200
MEAN OF
PARTICLE
SIZES
oe
awe
PERCENTAGE
OF
TOTAL
_ DIMENSIONS OF CLOUD AND STEM
GENERALIZED CONCEPTS: jicreiBuTION OF ACTIVITY
Figure 1