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Alekssandra [29.7K]
2 years ago
5

If the half-life of a radioactive element is 16.0 years, what percentage of the original sample would be left after 48.0 years?

Medicine
1 answer:
elena55 [62]2 years ago
4 0

Answer:

12.5%

Explanation:

year 0 = 100%

year 16 = 50%

year 32= 25%

year 48= 12.5%

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The correct answer is A, as the statement is true. All blood returns to the heart by way of either the superior vena cava or the inferior vena cava.

Explanation:

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Deoxygenated blood returns from the rest of the body to the heart through the superior vena cava and the inferior vena cava, the two main veins that carry the blood back to the heart.

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4 0
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romanna [79]

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