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Question
The kitchen waste coming from houses block the drainage system.
Options:
A .  True
B .  False
C .  It absorbs ultraviolet rays
D .  It is used to disinfect water and absorb ultraviolet rays
Answer: Option A
:
A
Cooking oiland fats get hardened and therefore can blockpipes. In open drains,the fats clog the soil pores which reducesits effectiveness in filtering water.

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