Amarsh supports a large population of cattails, which are tall wetland plants. purple loosestrife, an invasive wetland plant, is introduced to the marsh. both purple loosestrife and cattails require access to sunlight and space along the floor of the marsh to grow. what effect will the growth of purple loosestrife have on the marsh's carrying capacity for cattails?

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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.