60

Altitude

¢
en m4, Qi

5

\.
|

|

10

{320
45 ems.
TOC) @.

\

ON

\

3000;

|

|

{275° 10my/z
6.6. 66

2000:

1000.
500;
0

—

Fig. 4

1077

—>

10°"

Concentration Cilkg ——

Select target paragraph3