1- The universe is physical and has matter. It is bound by space and time. Hence, by the necessity of logic, it required an outside factor to bring it into existence. It could not have brought itself into existence because every effect needs a cause, and nothing can cause itself. For a more detailed analysis of this point, please see:
https://youtu.be/yOfSUVFrDH4
2- See this video at 48 minutes an onwards:
https://youtu.be/73pTWQG6T2A
There is no doubt that various religions have a part of the truth, since many religions evolved from the message of previous prophets. But Islam is the final religion Allah revealed for humanity. I also recommend seeing the following:
https://youtu.be/Klt1N1hyBMc
https://youtu.be/qE9yYbBoA9I
https://youtu.be/GC5GhYCCo5M