How is the thickness of the ozone in a column of air from the ground to the top of the atmosphere measured?
A. Dobson units
B. Hertz
C. Centimeter
D. Ampere
Answer:A
How is the thickness of the ozone in a column of air from the ground to the top of the atmosphere measured?
A. Dobson units B. Hertz C. Centimeter D. Ampere