Great answers soilguy ... great answers. And in response to the last part of your posting:

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"Religion offer very simple answers..."

You know something? I think we've found common ground here.
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I bring you these wonderful quotations:

Things should be made as simple as possible, but not any simpler
~ Albert Einstein

For every problem, there is one solution which is simple, neat and wrong. For every human problem, there is a neat, simple solution; and it is always wrong.
~H.L. Mencken

Or to quote Shell Oil Company:
"The stone age didn't end because the world ran out of stones."

These people seem bound and determined to take us back there one ignorant step at a time.

DA Morgan