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Maksim231197 [3]
3 years ago
13

"artery" and "vein" are defined by whether they leave or enter the heart. if they were defined by whether they carried oxygenate

d or deoxygenated blood, we would have to change the name(s) of
Biology
1 answer:
Leni [432]3 years ago
5 0
The pulmonary artery and vein.
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Concentration: <br> the amount of a substance within a _______ of another <br> substance
tigry1 [53]

Answer:

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Explanation:

In chemistry, the CONCENTRATION of a solution is the amount of a substance present within a volume of another substance. In other words, the concentration refers to the amount of a solute dissolved in a particular volume of a solvent to make a solution.

Concentration can be expressed in mass per volume i.e. g/cm³ or mol per volume i.e. mol/L or mol/dm³ etc. The amount of a substance is measured in Mass or mole, while the volume of a substance in Litres (L).

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3 years ago
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vekshin1

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How does water and its ability to bond in different ways help an organism?
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It makes them float in water
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What is the answer to this?
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