One reason could be that they do not have most of the seven characteristics of life (reproduction, homeostasis, heredity, response to the environment, growth, cellular organization, and metabolism.)
<h2><em>what is an atomic mass of an atom referring to?</em></h2>
- <em>Lr. The atomic mass of an element is the average mass of t<u>he atoms of an element measured in atomic mass unit </u>(amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope.</em>
<em>hope</em><em> it</em><em> helps</em>
<em>#</em><em>c</em><em>a</em><em>r</em><em>r</em><em>y</em><em> </em><em>on</em><em> learning</em>