Question

why concentration of o2 is higher

Answer 1

Answer:

hii

Explanation:

High oxygen concentrations may be due to leaks from oxygen cylinders or hoses or may occur because the oxygen supplied to a torch is not all consumed. For example, welding was taking place inside a tank. The cylinders were outside and hoses led to the welding set.

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Answer 2

The concentration of O2 is higher

because this concentration gradient

allows for gas exchange during

respiration. The rate of diffusion of a gas

is proportional to its partial pressure

within the total gas mixture.

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Thanks.