Gravitational is only attracted and electromagnetic is both atrractive and repulsive since it depends what you are talking about
Biological structures like DNA, proteins and cells all depend on molecules. ... Neurotransmitters like epinephrine are pretty simple molecules, but without them our nervous system couldn't work. Oxygen, containing just two oxygen atoms, is a very simple molecule, and it is certainly essential to living things.
There is no questions could you please do it again
I assume that you would be evaluating the whole animal if it’s a a physical examination so B
The answer is D.crust and upper mantle