How is the thickness of the ozone in a column of air from the ground to the top of the atmosphere measured?
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Who enhances the degradation of ozone?
In which region is the depletion of ozone particularly marked?
What does the continuous depletion of ozone lead to?
Which of the following is an effect of the high dose of UV-B?
Which protocol was signed to control the emission of ozone-depleting substances?
What is the process of removal of forest cover of an area called?
By the end of the twentieth century what percent of the land of India was covered by forests?
In which of the following process the farmers cut down the trees of the forest and burn the plant remains?
Which one of the following is known as the slash and burn agriculture?
What is the process of re-growing a forest that once existed but was cut-down in the past called?
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