The chemical reaction of oxygen with other substances is called

a. erosion.
b. oxidation.
c. exfoliation.
d. acidification.

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)