An advantage of reproduction is that a genetic disorder in a parent might not affect the offspring.
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sexual

Explanation:

because the genes the offspring receives come from both parents, not just one. The genes from the other parent may cancel out the genes for the genetic disorder from one parent.

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 cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.