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TiliK225 [7]
3 years ago
15

Which of the following statements about hominin evolution is correct? As hominins have evolved, _____.

Biology
1 answer:
Valentin [98]3 years ago
5 0

Which of the following statements about hominin evolution is correct?

As hominins have evolved- a. sexual dimorphism was significantly reduced

Hominins are described as any species of early humans which are more closely related to humans than chimpanzees, including modern humans themselves. An example of hominin species is - Australopithecus afarensis

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The land on the leeward side of a mountain range is in a rain shadow.<br> (True or False question)
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I need to know what all these things are
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3 years ago
Under normal conditions, what would be the PRIMARY mechanism that his body would use to reduce the amount of PCO2 in the blood
sergeinik [125]

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

#SPJ4

8 0
2 years ago
A solute is a material that dissolves into a solvent to make a solution <br><br> True or false
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true ,, a solute is a material..
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Almost half the birds in the yard were brown cardinals and the rest were bright red cardinals, so Jimmy perceived them as two di
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Answer:

The answer is Similarity

Explanation:

The distinct features of the two groups of birds i.e brown cardinals and bright red cardinals illustrates the principle of similarity. The principle of similarity states that things that share visual features such as shape, size, color, texture, value or orientation will be seen as belonging together or being in a unified group

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