Lit is located between the
left ventricle and left atrium.Left atrium is known to be one of the four chambers of heart
that receives oxygenated blood from the right and left pulmonary veins. This blood
is pumps to the left ventricle through the mitral valve. However, left
ventricle is responsible for pushing oxygenated blood through the aorta to the rest
of the body.
Your answer is going to be B
B.the mass of carbon dioxide plus water is less than that of paper plus oxygen.