本题目来源于试卷: Stratospheric Ozone，类别为 IB环境系统与社会
[单选题]
Outline how the depletiowchp2c; :fhn e* qo9p4n of stratos 33r hoy16k( c/gfdfmn8xmf;dpheric ozone can impact living systems.
A. Impact on humans is Formation of cataracts,Impact on the environment is Increase photosynthesis in plants
B. Impact on humans is Development of respiratory issues,Impact on the environment is Decrease productivity of phytoplankton
C. Impact on humans is Formation of cataracts,Impact on the environment is Decrease photosynthesis in plants
D. Impact on humans is Development of respiratory issues,Impact on the environment is Increase productivity of phytoplankton
参考答案: C
本题详细解析:
The depletion of stratosph3s 1ro7dh 83k,ndv2z9zeqbkueric ozone leads to increased amounts of harmful UV radiation reaching the earth. This radiation can lead to the development of problems such as cataracts in humans however, although more energy is reaching the earth, the productivity of phytoplankton and plants is8k vud3e 7,dshko n1bz2zq9 r3 not increased (option A). On the contrary, productivity decreases due to the damage to photosynthetic structures by UV radiation, however, depletion of stratospheric ozone does not lead to respiratory problems (option B). Similarly, as before, option D is incorrect as depletion of stratospheric ozone does not impact respiration and does not increase the productivity of phytoplankton. Therefore the correct answer is option C.
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