Which of the following statements is NOT true?

• As a result of depletion of ozone layer, less UV radiation reaches the earth due to which all the essential nutrients required for life sustenance are missed out.
• Ozone layer depletion results in skin cancer in human beings.
• The "Vaughan protocol" was designed to protect the ozone layer by stressing ban on the use of ozone depleting chemicals.

1 and 3

Due to depletion of the ozone layer, more UV radiation reaches the earth and harms the living organism. It causes skin related problems to individuals, lowers the growth of terrestrial plants etc. Thus, in order to stop the depletion of ozone layer "Montreal protocol" was designed to protect the ozone layer by stressing ban on the use of ozone depleting chemicals.