<span>The body proportions of neanderthals may have arisen as adaptations to a HARSH AND CONTINUOUSLY CHANGING environment. Neanderthals that have evolved through millions of years have developed skills and techniques in order for them to eat, live in good conditions, and protect themselves from dangers of the environment. As such, their physical bodies have also evolved through the activities that they do on a regular basis.</span>
The earth orbits the sun once per year
A variable that is held constant in order to assess or clarify the relationship
<span>Because of semi-conservative replication in DNA synthesis, One of the strands of the new DNA molecule is original and one of the strands of the molecule is composed of new nucleic acids.</span>
Used by people is the answer. :-)
