Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): High altitude itself acts as a stressor, and exercising at high altitudes is highly stressful because less oxygen is available to the body compared to sea level. Reason (R): The fractional percentage of oxygen in the air at high altitudes remains the same as at sea level, but the total barometric pressure decreases with increasing altitude. In the light of the statements above, choose the correct option:

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Physics · Environmental Physiology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Both (A) and (R) are true and (R) is the correct explanation of (A)

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Answer 1

(A) is false, but (R) is true

Answer 2

(A) is true, but (R) is false

Answer 3

Both (A) and (R) are true but (R) is not the correct explanation of (A)

Answer 4

Both (A) and (R) are true and (R) is the correct explanation of (A)

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