Compared to arteries, valves have no pulse, have thin walls and have valves that prevent backflow of the blood. The pressure in the veins is less than that of the arteries, hence, there is no pulse. They are nearer to the surface of the skin. It also connects arteries and capillaries which transport blood all throughout the circulatory system.
Answer:
F) mandated.
Explanation:
Mandated by meaning is to, quote "issue an authoritative command". In this case, the authoritative command is the "law". The law is mandated and enforces the conservation of energy.
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