1pt Deoxygenated blood returns to the heart via the vena cava. Where does the blood go from the vena cava? O A. left ventricle
OB. left atrium
O c. right ventricle
OD. right atrium

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

How can one make a supersaturated solution? (apex)

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: