The answer is spin.
Each quantum number that describes the two electrons in a helium atom is identical, except for the one that indicates their spin.
Hay cuatro tipos diferentes de nucleótidos de DNA: adenina (A), timina (T), guanina (G), citosina (C).
The chemical process by which complex molecules of protein are made from simple molecules is called Respiration
Darwins <em>theory</em> of <em>evolution</em> explains how modern organisms evolved over long periods of time through descent from common ancestors. <em>Darwin</em> meant that different, yet ecologically similar, animal species inhabited separate, but ecologically similar, habitats around the globe.
<span>C) The emissions of the internal combustion engine which runs on oil/gas has added to air pollution such as smog. </span>
