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Vinvika [58]
2 years ago
9

What creates the van Allen belts

Biology
1 answer:
weeeeeb [17]2 years ago
7 0

Explanation:

The Van allen radiation belt is a zone of

energetic charged particles,most of which originate from the solar wind.

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In which stage of pertussis is the characteristic whooping sound made?
maksim [4K]

Answer:

paroxysmal

Explanation:

Pertussis is highly contagious and acute respiratory disease which is caused by bacteria Bordetella pertussis.

The disease has 3 types of  stages which are catarrhal stage, paroxysmal stage, and convalescent stage.

<u>The paroxysmal stage of the Pertussis is characterized by the episodes of the coughing with a distinctive sound which is known as whopping during the process of inspiration. </u>

This type of cough gives disease the common name which is called Whooping Cough.

5 0
3 years ago
What are viable explanations for the consistent observation of a few black mice on the island?
PolarNik [594]

They undergone genetic mutation that influenced their fur color.

Mutations result either from accidents during the normal chemical transactions of DNA, often during replication, or from exposure to high-energy electromagnetic radiation (e.g., ultraviolet light or X-rays) or particle radiation or to highly reactive chemicals in the environment. Mutation can be of 4 types Germline mutations occur in gametes. Somatic mutations occur in other body cells. Chromosomal alterations are mutations that change chromosome structure. Point mutations change a single nucleotide. Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame. Factor that influenced  mutation are the size of the gene, its base composition, its position in the genome, and whether or not it is being actively transcribed influence its mutation rate.

To learn more about mutation ,here

brainly.com/question/13923224

#SPJ4

7 0
2 years ago
The peptidoglycan cell wall of bacteria is most analogous to _____.
belka [17]

Answer: chain link fence

Peptidoglycan could be found in high number on gram positive cell walls. The structure of peptidoglycan looks like a cross link which makes it sturdy, so rain coat would be false. It is not an impenetrable brick wall because it still allow some ion and food pass through it.  Sugar candy coat sounds good but chain link fence would be better.

8 0
3 years ago
Re
den301095 [7]

Answer:

Explanation:

3 0
3 years ago
In which of the female's reproductive structures would embryonic or fetal pigs be found
MariettaO [177]
The pig embryo or fetus are both developmental stages in a pig's life cycle from conception and leading up to birth. The embryo and the fetus should be found in the uterus lining of the female pig, as this is where conception would occur and where the fetus will develop until it is ready to be born.
4 0
3 years ago
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