I think the best answer is C. Since the light energy would be the sun and chemical energy being the glucose that feeds the plant.
H2o means water and co3 is co-signs
Answer:
As blood travels through the body, oxygen is used up, and the blood becomes oxygen poor. Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.
Explanation:
