Ozone layer absorbs ultraviolet light from the sun ozone layer depletion increases the surface of ul...........

Environment and Ecology Envirnment and Climate Change

Ozone layer absorbs ultraviolet light from the sun ,ozone layer depletion increases the surface of ultraviolet light levels. Which of the following is/are the consequences of ozone depletion:

1. Formation of ozone at ground level in the troposphere.

2. The most common forms of skin cancer in humans.

3. Plant growth can be directly affected by UVB radiation.

Select the correct answer using the code given below:

1 and 2 only

1 and 3 only

2 and 3 only

All of the above

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Explanation:

Since the ozone layer absorbs UVB ultraviolet light from the sun, ozone layer depletion increases surface UVB levels , which could lead to damage, including increase in skin cancer. The full extent of the damage that CFCs have caused to the ozone layer is not known and will not be known for decades, however marked decreases in column ozone have already been observed. The Montreal and Vienna conventions were installed long before a scientific consensus was established.