Environmental and cultural factors don't affect someone's level of learning or academic performance that much.

I think you wanted to know if the given statement is true or false. The statement given in the question is completely false. Environmental and cultural factors do effect someone's level of learning or academic performance. If a child has hostile atmosphere at home, then in all probability the nature of the child will be hostile and it will definitely negatively impact his or her academic performance.

The president's only official legislative duty is to sign or veto bills.