Two factors which cause global climate change are listed below. factor 1: volcanic eruptions. factor 2: changes in the amount of sun’s heat received by the earth’s atmosphere and surface. which of these statements is correct about the two factors which cause global climate change? factor 1 and factor 2 are considered natural factors. factor 1 and factor 2 are considered human induced factors. factor 1 is a human induced factor and factor 2 is a natural factor. factor 1 is a natural factor and factor 2 is a human induced factor.

the relative atomic mass of an element is the mass of one atom of that element, relative to 1/12th of the mass of a  1212c atom. to convert to an absolute mass in kg, it is necessary to multiply by  1.661×10−271.661×10−27.

the relative atomic mass is roughly equal to the number of neutrons, plus the number of protons, in the nucleus of the atom.

for elements with more than one stable isotope (different types of nucleus with different numbers of neutrons but the same number of protons), the quoted mass is usually the average mass, weighted by the relative abundance of the different isotopes.

the correct answer is b