Q. How much stratospheric ozone layer's concentration extending above earth ?

View solution

Q. Troposphere contains 10% of atmospheric

View solution

Q. Antarctic ozone hole was caused by

View solution

Q. HCFCs can be broken down in lower atmosphere, before ascending into the

View solution

Q. According to scientists, CFCs are supposed to last for more than 100 years, in the

View solution

Q. What screens out 99% of harmful rays of sunlight?

View solution

Q. When did United states ban CFCs usage in spray cans?

View solution

Q. What does high flying crafts deplete ?

View solution

Q. What does ozone depleting chemical, HGs, contributing to ?

View solution

Q. 'CFCs' stands for

View solution

Q. Process involved in converting ultraviolet radiation (UV) into heat, known as

View solution

Q. Which chemical was used as a foam blowing agents?

View solution

Q. Chlorine free radical reacts with 'ozone' to form

View solution

Q. What causes effects of ozone layer ?

View solution

Q. CFCs can destroy

View solution

Q. Which chemical is produced from a jet engine?

View solution

Q. According to a general survey, One in five Americans would be more at risk in developing:

View solution

Q. Bromine' is more effective in destroying CFCs than

View solution

Q. In 1992, a team of forty scientist, announced a record high concentration of

View solution

Q. Depletion of ozone layer published in scientific journals, in

View solution