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artcher [175]
3 years ago
7

Complete these sentences by matching the phrases below.

Biology
1 answer:
kifflom [539]3 years ago
3 0

The Doppler Effect talks about the frequency of sound and light as the source and person move. So, <em>When light waves are emitted by a moving source, scientists can measure</em> = the Doppler effect.

Cosmic microwave background radiation has the word "cosmic" in it, so you can assume it has to do with space automatically. There is radiation in space too, so I'm pretty sure that <em>The extremely low temperature of outer space can be explained as </em>= cosmic microwave background radiation.

Particle accelerators are these big machines that usually smash protons/electrons together, so <em>Scientists smash together tiny bits of matter using </em>= particle accelerators.

And now, by process of elimination and because the Big Bang Theory talks about the creation of Earth, we know that <em>Scientists extrapolate backwards in time to derive</em> = the Big Bang Theory.

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What are brownfields​
Daniel [21]

The lands which are lef unuse after  it is affected by environmental contamination.

<u>Explanation:</u>

  • Brownfields are abandoned or unused fields where reuse is hindered by real or observed environmental contamination. The places may include localities destroyed by hazardous materials, petroleum or mine-scarred land.
  • Brownfields are found in a city or town's manufacturing section, on areas with discontinued factories or industrial buildings, or other earlier contaminating operations like steel millhouses, refineries or landfills. It is mainly found in urban cities where there is normally a stronger potential to redevelop these localities.
  • Some of the most frequent contaminants known at Brownfield sites are from fuels such as grease, propellant, diesel and kerosene from subterrene storage tanks, floor drains, External storage of barrels and machine, and cleaning solvents.
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3 years ago
The Ebola virus enters a human through the openings in the body or through the skin itself. Once inside, the virus attaches to a
agasfer [191]
<h2>Answer: <u><em>How does the Ebola virus infect people?</em></u></h2>

<em><u>Ebola virus contains a type of genetic material called RNA, which is similar to DNA and contains the blueprint for assembling new virus particles.  Unlike animals and plants, which also use DNA as a repository of information, viruses are not technically alive because they are incapable of replicating without help.  In order to create new viruses, the virus must infiltrate a living cell, where it hijacks the host cell’s machinery to fulfill its own goals.  In order to get into the cell, Ebola must travel through the cell membrane, which is a barrier that protects the cell from its environment.  However, all cells need nutrients, which must have ways of entering the cell; the viruses hitch a ride into the cell via one of these established nutrient-uptake entryways.  Ebola virus takes advantage of a non-specific engulfing process called macropinocytosis, which allows the virus to be “eaten” by a wave-like motion of the cell membrane (Figure 1) [2].</u></em>

<em><u></u></em>

<em><u></u></em>

Explanation:

5 0
3 years ago
Based on the data in Table 1, identify the animal that has the greatest number of sequence differences from the reference animal
Doss [256]

Answer:

( please like and hope it helps)

A) Elephas-2 has 13 sequence differences from the reference animal, and this is the greatest number of animals in the table.

B) From left to right, the order at the tips of the cladogram is: Dugong , Elephas , Loxodonta , Mammathus.

(Loxodonta and Mammuthus can also be reversed)

C) The molecular data, such as that for are widely conserved protein such as cytochrome b , show conserved similarities between organisms such as to dugongs and proboscideans and can be used to support the existence of this relationship.

D) The animals that are related ones had a common assister with certain genetic characteristics. Adaptation to different habitats leads to diversification of morphology but does not change evolutionary relationships.

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