What happens to smells and aroma's as they move through the air on their own is that they start to fade away when they get a a certain point. Sometimes they just stay is one spot and don't move.
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<h2>Answer:</h2>
The correct answer is B. Matter.
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<h2>Explanation: </h2>
Matter is basically something that occupies physical space and has mass. It is every around us--atoms, compounds, etc. are all made up of it. There are three states of matter: solid, liquid and gas.
The pH of blood if pco2 drops to 35.0 mmHg is 7.459
The pH of the blood can be calculated using the Henderson- Hasselbalch equation, which explains the relationship between acid dissociation constant pKa and pH in biological and chemical systems.
pH = pK + log ( HCO3- / ( 0.03 * PCO2 ) )
pK is 6.1 for the bicarbonate buffer system.
HCO3- = 24mm
PCO2 = 35.0 mmhg
pH = 6.1 + log ( 24 / 0.03 * 35.0 )
= 6.1 + log ( 24 / 1.05 )
= 6.1 + log 22.8571
= 6.1 + 1.3590
= 7.459
Hence, the pH of blood is 7.459
Learn more about the pH of blood here brainly.com/question/3919636
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