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labwork [276]
3 years ago
15

A train travels 67 km, north along a straight track in 39 minutes. What is the train's average velocity in kilometers per minute

s .
Biology
1 answer:
vredina [299]3 years ago
8 0

Answer:

2 mine take 80 man to drive across a mass drive to get a car in his car or something right now

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Organism at the end of a food chain
stira [4]

Answer:

is always a higher organism

Explanation:

lets take an example:

food chain consisting of zooplankton, small fish, big fish and man

as the order goes in the question ,the organism at the end of this food chain is man

5 0
3 years ago
Now that you have reviewed normal blood flow, why does a patient with left-sided heart failure have a low systolic blood pressur
Mnenie [13.5K]
<span>The Left-sided Problem of the heart involves the lack of enough supply of oxygen induced blood and the blood which is unable to reach the heart goes to lungs causing breath issues. Another issue with this problem is that left side of the heart pumps blood into the body, so when it fails, less blood will be pumped into the arteries.</span>
6 0
3 years ago
Why Do all the days of the year have the same amount of daylight?
barxatty [35]

Answer:

they dont

Explanation:

3 0
3 years ago
The lower mantle has an average density of 5.5 g/cm³ which of the following could be density of the outer core?
ira [324]

The correct answer is option A,

Reason - The density of outer core is less than the density of inner core density and thus among all the given options the more probable answer is option A


6 0
3 years ago
Phylogenies based on sequences from organellar genomes and nuclear genomes from the same group of species yield phylogenetic tre
mojhsa [17]
<h2>Evolution of phylogenies </h2>

Explanation:

  • The genome of the endosymbiont is all the more firmly identified with individuals from the gathering in which it initially developed, while the nuclear genome of the inundating living being has its own evolutionary trajectory.  
  • The accumulation of various inheritable attributes after some time which prompted the arrangement of another species  
  • Nuclear and organellar genes advanced at various rates, clouding developmental connections.  
  • Some mitochondrial genomes have been decreased definitely in size, losing a large number of the protein genes encoded in creature mtDNA just as a few or all mtDNA-encoded tRNA genes.
  • At ∼6 kb in size, the mitochondrial genome of Plasmodium falciparum (human intestinal sickness parasite) and related apicomplexans is the littlest known, harboring just three protein genes, profoundly divided and improved little subunit (SSU) and enormous subunit (LSU) rRNA genes, and no tRNA genes.
  • In stamped differentiate, inside land plants, mtDNA has extended generously in size (>200 kb) if not in coding limit, with the biggest known mitochondrial genome right now.

8 0
2 years ago
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