the red-cockaded Woodpecker is found in the pine forests of Georgia. It eats insects found in the barks of the pine trees and nest in the trees how will a reduction in the number of pine trees most likely affect the red crocodile doctor woodpecker ​

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.

d. changes in climate and historical records

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