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:
a.)
Explanation:
The dense cold salty water from the south sinks to the bottom of the ocean.
Rusting ability because it is something you can see
It has 3 layers
an animal cell has no cell wall but a plant cell dose
it protects,support, and gives the plants their shape
