(A) Carbon dioxide ()
(B) Sugar (X)
(C) Bacteria (X)
(D) Oxygen (X)
(E) None of these (X)
Answers: Yeast is used in making bread because it produces Carbon dioxide.
(A) Carbon dioxide ()
(B) Sugar (X)
(C) Bacteria (X)
(D) Oxygen (X)
(E) None of these (X)
Answers: Yeast is used in making bread because it produces Carbon dioxide.
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