Para says There are 2 groups One group had loads of a sweetener and the other didn't. And the abilities of the group which had the sweetener decreased after the intake.
Ques : Pick an answer that proves sweetener is at fault.
Hence D. Earlier there were on same level, then some had sweetener and lost there abilities
Ques : Pick an answer that proves sweetener is at fault.
Hence D. Earlier there were on same level, then some had sweetener and lost there abilities
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