The answer is true i hope this helps
Amethyst... because it's silicon dioxide
Answer:
Atomic mass is defined as the number of protons and neutrons in an atom
Inertia I think because I've heard it around school and in science
Answer:
Depending on where people are located in the world (Northern hemisphere, Southern hemisphere, etc) depends on the difference in direction (North, South, east, West) which is most likely why it'd look different.
Explanation:
I dunno if this is along the lines of an answer you're looking for, but hope this helps :)
