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YDS PARAGRAF DOLDURMA / TEST 3 23. Soru

birinci Bu Testin Birincisi praksis
Başarı Yüzdeniz : 100 %
23.
Copper has been known since prehistoric times.
It is an excellent conductor of heat and
electricity, and is used extensively in roofing,
utensils and electrical wiring. ........ . For
example, it is required for the formation of
chlorophyll in plants, and traces of it are
necessary in the human diet to aid in the
breakdown of sugar. However, too much copper
in the diet can cause cirrhosis of the liver, failure
to grow and jaundice.


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