Evidence for atheist claims

[Cecelia]

The first problem you have is that you immediately presume that God must have created the Earth.  This is a claim on its own.  You say "If God didn't do it, how did it happen?"  This suggests that if we don't have an answer, that God is the answer.  The problem with this is obvious: You're eliminating all possibilities except for the one you happen to believe.  By doing this you're being intellectually dishonest. 

You can't ask "If not God, then what?"  because that requires evidence of God in the first place.  And it doesn't just require evidence, but good evidence.  The bible for example is not good evidence because we can't count on it being reliable.  It makes a lot of claims that are simply unfounded. 

The truth is: You can't start with the premise that if we can't explain how the world was made, it had to be God.  It would be like if someone asked how mountains were formed, and someone said "Well if it wasn't Frost Giants, then what was it?"  That doesn't make the answer 'frost giants' any more than anything else makes the answer to your question 'god'.  It's a false dichotomy.  "Either you can explain how it was done, or God did it." 

To learn how the Earth was formed, one starts by looking at the geological record.  What it suggests can be left up to interpretation.  But I see nothing that requires a god for the earth to exist, and for us to be here.  Without that requirement, I see no reason for me to believe that a 'God' created this earth.  Absence of that evidence isn't evidence of absence, but it's also not evidence in support either.  Lack of that evidence is a big part of why people don't believe in your god.  Combined with the fact that your Bible is filled with inaccuracies, unproven assertions, and a good deal of nonsense, we have no reason to believe in your God. 

The fact is we're not certain how the Earth was formed.  We just have no reason to believe that a God was involved. God is not necessary for the Earth to exist.