C using a scanning electron microscope
So you know what to do and to keep yourself and others protected.
I think its rest because it tarnishes so witch means dullness of color; loss of brightness according to the dictionary and when something rest it loses color and becomes a copper brown color
Answer:
Planet Y
Explanation:
Planet Y has the smaller period because it takes less time to orbit the star. This is because it has less distance to travel compared to X.
