The atomic nucleus contains two subatomic particles, the proton and the neutron. atoms of different elements have different numbers of protons and neutrons. the nuclei of atoms that are the most stable have proton to neutron ratios of: a) 1 to 1 b) 2 to 1 c) 1 to 2 d) there is no pattern that indicates stability in the nucleus

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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