High iron and magnesium rocks have a high percentage of dark-colored (mafic) minerals.
So the high iron and magnesium would be darker than the low iron and magnesium.
Iron has magnetic properties, so you would just need to hold a magnet over the mixture and the filings will come right out.
D. With the same number of protons and different number of neutrons.
Answer:
tundra bc it has barley any food source and has vary little inhabitants
Explanation:
