The Cell Wall☺Hope this helps.
Answer:
What sends oxygenated blood back to the heart from the lungs?
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.
Explanation:
Answer:
<h2>
A. precipitation</h2>
Explanation:
because the after evaporation and condensation
it rains which is precipitation
Answer:
2 to 2, 3 to 1, 1 to 4 and 4 to 3
Explanation:
hope that helps
