Awitness is scheduled to testify about a new unpublished procedure for detecting gases from dead bodies. the judge summarily rules that the witness cannot testify because the procedure has not been accepted by the scientific community. which precedent is this ruling based on?

This ruling is based on Frye standard

Frye standard is a test that is performed to ascertain the admissibility of scientific evidence. Frye standard states that a professional’s idea based on a scientific method is valid only where the method is widely accepted as reliable by experts in the appropriate scientific community. The Frye standard is employed as law in some states.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

i am pretty sure it is d.