Before space and time were created the laws of nature were already in place. The potential for all realities existed before space and time existed because those laws of nature were in place before space and time. Everything which has unfolded since space and time were created occurred because of the laws of nature. Moral Laws existed before beings that know and create existed. Moral Laws were waiting in time for beings that now and create to catch up to them, thus realizing its potential and fulfilling their role in progressing our conscience and consciousness. So where did the moral laws come from? They came from God who is existence itself; who s reality itself.
There are no "law of nature".
These so called things are simply scientific inferences that seem to have no contradictions. Like gravity.
Laws are creations of kings and/or governments. Even the ancient Aryan word means "spoken by the king".
Morals are emotional judgments involving a choice. They are a subset of ethics in Philosophy. They are neither scientific nor religious.
Religion prescribes rules.
Law prescribes actions or refraining from actions with a physical or monetary punishment attached, such as execution, prison, jail, fine, etc.
This was your free vocabulary lesson.