Answer:
the actual answer is B
Explanation:
The form of energy most responsible for giving us sunlight is nuclear energy. The sun produces energy through nuclear fusion in its core.
Answer:
The left side of the heart receives oxygenated blood from the pulmonary vein and pumps it into the aorta, while the right side of the heart receives deoxygenated blood from the vena cava and pumps it into the pulmonary vein. The pulmonary vein and aorta also have valves connecting them to their respective ventricle.
Explanation:
Chemoreceptors is the answer
