all of them pleae

the Second Law of Thermodynamics states that in any reversible process entropy must decrease Select one: a. False b. True Which of the following statements is False. Select one: a. Heat always flows from hot to cold . b. The total entropy change in one cycle of a carnot engine is zero C. 100% efficient engines do not exist Od. In any reversible process entropy must increase 1. A heat engine performs a thermodynamic cycle. Its entropy remains constant. Select one: a true b. false In one irreversible cycle of the engine, the net change in the internal of the entire cycle is zero Select one: .a. True b. False