Imo, means are so much more principal than physical
Supersedes means - to take the place of, or to cause to be set aside
False
It applies to legal documents between the same parties. When a new document replaces a previous one, it cancels the previous in its entirety, while when it supersedes the previous document, the terms that are unchanged or not mentioned in the new document remain in force as per the previous document, as it to say that "supersedes" means "updates". In practice and for avoidance of doubt lawyers use "supersedes and replaces" in order to cancel the previous document.
An indictment or process that supersedes the original of such.
The elements of a chemical compound can be separated only by chemical means, but not by physical means.
no, it can not be separated by a physical process.
it is the environment that is physical
Only physical means; chemical means alters the chemical composition.
DIACAP replaced DITSCAP as the process for certification and accreditation of DoD information systems. DIACAP supersedes DITSCAP.
No, physical
means it can be described
FM 5-19 supersedes FM 100-14. But ATP 5-19 supercedes FM 5-19 as of April 2014