

MCQOPTIONS
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1. |
THE_EARLIEST_PHOTO_SYNTHESIZERS_USED_WHICH_OF_THE_FOLLOWING_AS_THE_SOURCE_OF_HYDROGEN??$ |
A. | CO<sub>2</sub> |
B. | C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> |
C. | H2O |
D. | H2S |
Answer» E. | |