Question

Impure blood is-
a. Blood with only CO²
b. Blood with more CO²than O²
c. Blood with only O²
d. Blood with more O²than CO²
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Answer 1

Answer:

b

Explanation:

no blood is impure

We consider it impure only because concentration of CO2 is more

Answer 2

Answer:

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Explanation:

Impure blood is with Co2 is the correct answer