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Aneli [31]
3 years ago
9

What illegal substance used by pregnant women produces an intense restriction of the arteries, causing a significant reduction i

n the flow of blood and oxygen to the fetus, thereby increasing the risk of fetal death and a number of birth defects and disabilities?
Biology
1 answer:
guapka [62]3 years ago
6 0
That illegal subtances is Marijuana or cocaine i guess but i dont know if that is the right answee
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A man is 1.7 m long. A paramecium is 85 µm long. How does the length of the man compare to the length of the paramecium?
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Answer is C. The man is twenty thousand (2 x 10⁴) times larger than the paramecium.

1 meter (m) = 10⁶ micrometers (µm)

Therefore, 1.7 m = 1.7 × 10⁶ µm

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1.7 × 10⁶ / 85 = 2× 10⁴ .  

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Answer:

B

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