will the real god stand up if there is one, page-9

Why are there many Religious Gods.

Many religions develop in isolation, a tribe or nature develops its own view. Often some one in an existing religion disagrees on some interpretation or political aspect of one religion and breaks away.

Why does the universe exist and what is the cause?
What is the nature of this cause?

Probably unknowable.

Is there a matrix?

Yes, staring Keenu Reeves.

Why don't schools adopt a natural philosophic learning for children so as they can grasp the eagerness for truth?

Dont know, possibly some schools do.

Do we have to rely on the law of physics to have any understanding?

To understand physics you need to rely on the laws of physics. To understand anything else you need the appropriate laws.