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Nikitich [7]
2 years ago
6

Explain why Halley’s Comet is part of our solar system.

Biology
1 answer:
icang [17]2 years ago
3 0

Answer:

because they were originally long period comets whose orbits were perturbed by the gravity of the giant planets and directed into the inner solarsystem

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Compare and contrast the function and structure of a compound light micrscope and electron micscrope
galben [10]
The major difference between a light microscope and a electron microscope would be that with the light microscope, a beam of light is used to focus the image. In an electron microscope, a beam of electrons is used to focus the image. Other notable differences would be with the light microscope, your specimens must be very thin; thin enough for light to pass through them. With the EM, you can place whole specimens that can generate 3D images. There is a much more complex specimen preparation process for the EM, where light microscope slide making is fairly simple in comparison. You can view live and wet specimens with a light microscope but you cannot with the EM because an EM requires specimens to be placed in a vacuum chamber. Lastly, the EM is very large and complex to operate, where the light microscope is somewhat portable. Hope this helps! 
6 0
3 years ago
Two coherent sources, A and B, emit light waves in a medium. The light waves superpose to produce an interference pattern. Which
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Hello, to answer your question properly it is 
C. <span>The waves emitted by the two sources have constant phase difference

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8 0
3 years ago
You are working with a 125 million bp human chromosome (1 centimorgan = 1 million bp), and wish to use markers to map newgenes v
Lena [83]

Answer:

After every 0.192 centimorgan

Explanation:

If there are 125 million base pairs then according to the parallel ratio compare rule it should contain an average of 650 genes. If every gene has to be marked by a single marker on each end then a total number of 651 markers are used after every 0.192 centimorgan distance.

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So I failed my science test and got a 43% on it. What do you think I can do next time to pass the tesr
Andrews [41]

Answer:

  • Find a study buddy or group
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Explanation:

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A scientist discovers a new organism that is related to clownfish. What can the scientist discover by using molecular clocks?
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The amount of time that the 2 species have been evolving apart??
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3 years ago
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