The depletion of the ozone layer near the poles had a major impact on the productivity of plankton. Indicate whether the statement is true or false


ANS: T
When there was a large hole in the ozone at the poles, the productivity of plankton decreased by 6% to
12% in the 1990s. This was because the plankton was receiving too much ultraviolet light. The ozone
normal acts as a shield to the atmosphere. Information can be found in the section Human Activity is
Causing Global Oceanic Change

Environmental & Atmospheric Sciences

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Several countries or cities have banned the use of thin plastic carrier bags because

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