If I can say this without being accused of racisam, for a young person to be able to reason freely they must be brought up in a free thinking enviroment, many muslims and in America many christians, are not.
In the bible, and I believe also in the koran, the world was created just a few thousand years ago, yet we know the earth is millions of years old. The facts are so obvious that it seems futile to argue with anyone who denies this. Homo sapian has been walking on this earth for at least 1500 years and probably longer. In northern europe Neahanderthal man became extinct as soon has Homo Sapian appeared.
I wonder what they tasted like?