Answer:
This is a chemical property. If iron does rust, this is a slow chemical change since rust is an iron oxide with different properties than iron metal.
I think the airplan flies in same speed 400
Answer:
Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere.
Explanation:
Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Closer to the horizon, the sky fades to a lighter blue or white.
Depends on what type of gass
