Explanation: Natural law in philosophy can be said to be an ethical theory that posits the existence of a law whose content is set by nature and has validity everywhere.
The law of nature is implied to be objective and universal. In essence, it exists independently.
Humans instinct that inclines them to protect themselves from harm can be termed natural law. This is because, this act is VALID for every single human in the world and is OBJECTIVE. Validity and objectivity being the key words of natural laws.
