Because when the bible was written and when the idea of god and all that came together, males were the dominant. They would not have kept god as a strong force or any other higher up force as a fearful subject if it were a female back then. The only spiritual being that was a female was Sin. But she isnt in the bible or anything, more in other writings. And as for the greeks with their female gods, The females were gods of what females were known for... Males were warriors, the all powerful, controlled the sun...yadda yadda yadda.

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do your research.