Answer:
The standard atomic weight is the average mass of an element in atomic mass units. Though individual atoms always have an integer number of atomic mass units, the atomic mass on the periodic table is stated as a decimal number because it is an average of the various isotopes of an element.
The Reconstruction Amendments<span> are the Thirteenth, Fourteenth, and Fifteenth</span>amendments<span> to the United States Constitution, </span>passed<span> between 1865 and 1870, the five years immediately following the </span>Civil War<span>. This group of </span>Amendments<span> are sometimes referred to as the </span>Civil War Amendments<span>.</span>
A. 20 is what i know and what i found online hope its right.
I always "felt" I could write. I did not always "feel" I could effectively study a foreign language.
