C & D, clouds are apart of the Hydro and Atmosphere!
Answer:
Axis Labels
Explanation:
The axis labels are usually located on the x and y axis. This graph however is missing those.
hope this helps!
Aluminum is more reactive than iron
but it forms Al-oxide, that form a thin layer on the surface of Al, and protect Al from reaction with water.
Answer: Very unreactive aluminum oxide forms a thin layer on aluminum.
