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Ostrovityanka [42]
3 years ago
10

0/1

Biology
1 answer:
tester [92]3 years ago
7 0
Don’t no this one gg
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Plz help!
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Answer:

1.The pleural cavity aids optimal functioning of the lugs during breathing. It transmits movements of the chest wall to the lungs, particularly during heavy breathing. The closely approved chest wall transmits pressures to the visceral pleural surface and hence to the lung (10-19.

2.The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarge.

Explanation:

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?- A population of mammals originally lived in a certain area surrounded by land. Then, some of the organisms were taken to an i
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D - The organisms on the island are slightly different than those on the mainland.

The reason why this is the correct answer is because each successive generation on the mainland as well as the island both develop and continue adapting to their specific ecological niche and environment. They are, howerer, both still part of the same species. 
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A student carried out an experiment to model the digestion of starch by the enzyme amylase in the small intestine.
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Answer:

Put one drop on the dimple tile, and the rest in a test tube. Then put the teat pipette back in the water outside the Visking tubing. Test the drops of liquid in the dimple tile by adding one drop of iodine solution from the dropper bottle. If they turn blue-black, the liquid contains starch.

Explanation: i hope this helped :)

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2 years ago
Which human activity does not affect the Earth system? (1) disposing of toxic wastes (2) converting solar energy (3) clearing la
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Converting Solar Energy
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If the circumference of a circle is changed from 2 cm to 6 cm, how will the diameter change?
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A. increases by a factor of 3

Explanation:

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