Answer:
raise an objection to his own opinion and counter that argument
Explanation:
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This isn't something that can be anwsered with a simple number. Cynicism about annything is more a part of personality than anything else. It is beleived to develop as people age, and cynicism about a particular thing would probably begin as they start to lose something. If we base beauty as looking youthful then we could say late twenties to early thirties (so around 28-35) as that's when signs of aging begin to show.
Answer:
video evidence, foot print on moon, flag on moon.
Explanation:
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