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tia_tia [17]
3 years ago
7

If you have a prehistoric tooth how can you use carbon dating to determine its age

Biology
1 answer:
stiv31 [10]3 years ago
4 0

Answer:

Radiocarbon dating involves determining the age of an ancient fossil or specimen by measuring its carbon-14 content.Green plants absorb the carbon dioxide, so the population of carbon-14 molecules is continually replenished until the plant dies.

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Help me on number 20 and I will think u
Zepler [3.9K]

The pyramid is not shaped like a typical pyramid, because the bottom should be bigger and getting smaller on top.

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3 years ago
What is a benefit of using bioenergy over nuclear energy?
Dmitry [639]

Answer:

O Bioenergy does not release harmful greenhouse gasses.

Explanation:

Nuclear energy might not releases as much greenhouse gasses as fossil fuels do but it still releases some. Bioenergy produces energy by using 100% natural elements whereas nuclear energy does not.

6 0
2 years ago
Help pleaseeee???????
IRINA_888 [86]

Answer:

Written below.

Explanation:

5. During meiosis, a reproductive cell and its nucleus divide twice and produce four cells––two pairs of identical haploid cells.

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3 0
2 years ago
Read 2 more answers
Y = 9 - 2x; (-2, 5)​
Nana76 [90]

Answer:

Explanation:

y=9-2*(-2)

y=9+5

y=14

the point should not be like (-2,5)

5 0
3 years ago
Read 2 more answers
If GFR is 125 ml/min, and you are studying a drug that has a renal clearance rate of 20 ml/min, you can conclude that
ahrayia [7]

Answer:

(B). The drug is reabsorbed.

Explanation:

Renal clearance rate determines the excretion of drugs into the urine during excretion. It is used to study the main process associated with a drug's renal excretion.

When the renal clearance rate is lower than GFR (glomerulus filtration rate), the drug is absorbed in the renal tubules. When the renal clearance rate is higher than GFR, the drug is secreted into the urine. When the renal clearance rate is equal to the GFR, the drug is neither reabsorbed nor secreted.

As for given drug, renal clearance is 20 ml/min (less than GFR), this drug will reabsorbed.

Thus, the correct answer is option (B).

4 0
3 years ago
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