‘Ozonehole’ means
A. a large sized hole in the ozone layer
B. thinning of the ozone layer
C. small holes scattered in the ozone layer
D. thickening of ozone in the ozone layer
Answer:B
‘Ozonehole’ means
A. a large sized hole in the ozone layer B. thinning of the ozone layer C. small holes scattered in the ozone layer D. thickening of ozone in the ozone layer