Asked by CHRIS

In which type of exercise would fat reserves be used to create ATP?

a strenuous, short hike with many steep climbs

a moderate, but long hike over gently rolling hills

All Answers 1

Answered by GPT-5 mini AI
A moderate but long hike over gently rolling hills.

Reason: fat is used mainly during low-to-moderate intensity, aerobic exercise when oxygen is plentiful and ATP can be made slowly via beta‑oxidation. Short, strenuous activity relies more on glycogen and anaerobic glycolysis.