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bulgar [2K]
3 years ago
6

Paleontologists and ecologists agree that ________. select one:

Biology
1 answer:
densk [106]3 years ago
4 0

The answer is B........

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A rock has a density of 20g/cm3 and a mass of 10g. What is the volume of the rock?
Anna71 [15]
<h2>Solution:</h2><h3>Given data:</h3>

d= 20g/cm3

m= 10g

formula: d= m/v

By rearranging the formula according to our need:

v= m/d

by putting the values in the formula

v= 10g/20g/cm3

v= 0.5L

So, a rock that has a density of 20g/cm3 and a mass of 10 g would have the volume of 0.5L.



3 0
3 years ago
a woman who is heterozygous for hemophilia marries a normal man. what will be the possible phenotype ratio of their children?
abruzzese [7]
2:2:0......,,,,...,.,,,,,,,....
5 0
3 years ago
Please help im being timed Should a marine scientist automatically assume a study from a corporation has bias? Why or why not?
kobusy [5.1K]

Answer:

Yes

Explanation:

It's safe to assume this because it is the best way to make sure that your sources are reliable and valid.

5 0
3 years ago
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Sean outperforms the other air traffic controllers, accurately detecting three times as many potential airplane space violations
Ronch [10]

In the given case, acetylcholine and norepinephrine are the neurotransmitters that may be present at the greater concentrations.  

Norepinephrine refers to a neurotransmitter, which is essential for emotions, attentiveness, dreaming, sleeping, and learning. It is also discharged as a hormone in the bloodstream, where it enhances the rate of heart and makes the blood vessels to contract.  

Another neurotransmitter known as acetylcholine refers to the chemical, which the motor neurons of the nervous system discharge to stimulate the muscles.  


7 0
3 years ago
What type of mutation occurs when a nucleotide is added to the DNA?
Yanka [14]

Answer:

A frameshift mutation.

Explanation:

A frameshift mutation is when one adds an extra nucleotide to a series of nucleotides. This will mess up the order of the nucleotide, thus when it forms the codons, and eventually, the amino acids; all of the codons are wrong, thus all of the amino acids are wrong.

In this situation, an extra nucleotide is added to a sequence of DNA, this results in all of the other nucleotides getting pushed over by (1). Thus, all of the nucleotides form the wrong codons and the wrong amino acids. Therefore, a frameshift mutation has occured.

4 0
2 years ago
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