Answer:
B
Explanation:
Always remember blood first flows from atria (remember A comes before V) to ventricles and the right side always carries deoxgenated blood to the lungs which then arrives through the left side when oxygenated
Answer:
What r u trying to ask? you need to put more stuff in your question on here so we can answer it.
Explanation:
One-
The 6 is the only significant figure.
There are 2 covalent bonds between the Nitrogen and Oxygen, and 1 between the Nitrogen and Chlorine.
It should be 3.
<span>Hydrogen-2 has one neutron; hydrogen-1 has none</span>
