Question

Ozone hole over antarctica was first discovered by:
a. Molina and Rowland
b. Farman et al
c. Augus
d. Molina and molina

Answer 1

Hint: Unanticipated and large decreases in stratospheric ozone levels over the Antarctic stations of Halley and Faraday.

Complete Answer:
1. Molina and Rowland discovered that chlorofluorocarbons (CFCs) may eat up Earth's atmospheric layer, which blocks the sun's damaging ultraviolet rays.

2. The discovery of the hole over the continent was done by British Antarctic Survey human Farman, Gardiner and Shanklin and according within the Nature journal in could 1985.The hole is outlined because the space within the atmosphere wherever the worth of the gas is a smaller amount than 220 DU.

3. Mario José Molina-Pasquel Henríquez may be a Mexican chemist.He played a polar role within the discovery of the Antarctic hole, and was a co-recipient of the 1995 laurels in Chemistry for his role in elucidating the threat.

Hence option:’B’ is the correct answer.

Note: The Antarctic hole is currently on its thanks to recovery, last year's hole was the tiniest on record; however it'll take decades for the chemicals to fully vanish from the atmosphere.