Ozone gas is concentrated between
A. 5 to 20 Km.
B. 15 to 35 Km.
C. 35 to 50 Km.
D. 10 to 20 Km.
Answer:B
Ozone gas is concentrated between
A. 5 to 20 Km. B. 15 to 35 Km. C. 35 to 50 Km. D. 10 to 20 Km.