That way they can get the average result and they're usually more accurate.
DNA is present in all human cells, except the red blood cells, that is because <span>RBCs do not contain the organelle nucleus or any other DNA containing organelle.</span>
Actual renewable source (c)
The biosphere covers basically every place on Earth where life exists. So, plants and animals, as well as microorganisms are part of the biosphere. Bio means life.
<span>a. conducts magnetic forces to allow us to use radio communication devices</span>
