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Katena32 [7]
3 years ago
14

How many atoms are in something dermines it’s

Biology
1 answer:
Blizzard [7]3 years ago
8 0

Answer:

mass

Explanation:

the chemical formula for water is H20 which means every molecule of water has 2 atoms of hydrogen and one atom of oxygen. Here comes the key part. from the periodic table of elements one sees that one mole of hydrogen atoms weight 1 gram while one mole of oxygen weights 16 grams.

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Answer:

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Explanation:

The second part of the sentence is not accurate, since the remains were dated by uranium-lead dating. Carbon-14 dating measures ages in the tens of thousands of years, and uranium-lead dating measures in the millions to billions of years.

8 0
3 years ago
a sample of dna contains 20 percent adenine and 30 percent cytosine. What percentage of tymine would you expect to find.
romanna [79]
20 percent.

Since one strand is 20, the opposite that would connect with it (Thymine) would have the same amount so the total would be 100.

Hope this helps!
4 0
3 years ago
Runoff from farmland into a river is an example of what???
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Answer:

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EUTROPHICATION

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8 0
3 years ago
Which two species are most closely related?
faust18 [17]

Answer:

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Explanation:

4 0
2 years ago
It is often said that normal cells change into cancerous cells frequently in our bodies. Which of the following explanations acc
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Answer:

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Explanation:

3 0
2 years ago
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