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astraxan [27]
3 years ago
5

Scientific knowledge is based on all of these except

Biology
1 answer:
cestrela7 [59]3 years ago
5 0
A scientific theory<span> is a well-substantiated explanation of some aspect of the natural world that is acquired through the </span>scientific method<span> and </span>repeatedly tested and confirmed<span> through </span>observation<span> and </span>experimentation.<span> Scientific theories are the most reliable, rigorous, and comprehensive form of scientific </span>knowledge.
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Which step of mitosis involves the condensing of DNA into chromosomes?
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Answer:

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3 years ago
Sort the examples into proper mechanisms of reproductive isolation.
vovangra [49]
The mechanisms of reproductive isolation prevent the reproduction of two individuals from different species. The prezygotic mechanisms disrupt the stages of reproduction before the forming of the zygote or prevent the mating at the start, and the postzygotic mechanisms affect the stages of reproduction after the forming of the zygote.
So, the first and the third example (the urchins and the grasshoppers) show the prezygotic mechanism, as the two individuals are not able to mate or form a zygote.
The second and the fourth example ( zonkey and the death of a zygote) show the working of the postzygotic mechanisms, as the zygote is formed, but it seems to be inviable, and the zonkeys are sterile, preventing the individual to reproduce.

8 0
3 years ago
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The tendency for an object in motion is called orbital speed
givi [52]
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8 0
3 years ago
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The acidic chyme entering small intestine is neutralized by the bile.
MrRa [10]

Once food is in the small intestine, it stimulates the pancreas to release fluid containing a high concentration of bicarbonate. This fluid neutralizes the highly acidic gastric juice, which would otherwise damage the membrane lining of the intestine, resulting in a duodenal ulcer.

Hope it Helped.

5 0
2 years ago
How does atherosclerosis affect blood pressure?
mel-nik [20]

Answer:

Blood pressure is cardiac output versus resistance, especially in the capillaries.

Explanation:

When they get atherosclerosis, which is plaque in the arteries, there’s more resistance in the blood vessels and that raises blood pressure

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