Answer:
A.
Explanation:
It's sugar or glucose and oxygen
Answer: Minerals
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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.
Evidence
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Answer:
heyoooo!!!!
the spark reacts with fluids to form a atom
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Explanation:
