Answer:
DNA is the 33 chromosomes. RNA is the protein that exists in viruses... that's All what I know.
The rock cycle<span> is a model that describes the formation, breakdown, and reformation of a </span>rock<span> as a result of sedimentary, igneous, and metamorphic processes. All </span>rocks<span> are made up of minerals.</span>
There's been a lot of bad news for polar bears recently. In 2007, for example, scientists reported that if global warming continues unabated, the population could drop two-thirds by 2050.
Parasympathetic nerves govern involuntary actions such as pupil dilation, peristalsis, gland secretions, etc.
