They have almost no height or determination of a real mountain they a pretty much just a lump of dirt...
Answer:
b. All organisms would appear purple (gram-positive)
I would wait for a second opinion, because the question is phrased in such a way that is confusing.
None of the statements contain scientific evidence except for the last one, but the last statement is false.
If you were being scientifically accurate, you would answer the first statement as true and the rest false.
The second statement actually has evidence to back it up, but the evidence provided is incorrect.
Gem amethyst turns purple because of the irradiation with iron. Answer is Iron.