Answer:
Best example would be Carnot engine. It is possible in theory not in real life.
Explanation:
In real engines, the heat transfers at a sudden change in temperature whereas in a Carnot engine, the temperature remains constant. In our day to day lives, reversible processes can't be carried out and there is no such engine with 100 % efficiency. Thus, the Carnot cycle is practically not possible.
A pearl Harbor. that was when we went from staying neutral to entering the war
Answer: The reason people care about climate change, Is because the worst it gets the more dangerous it becomes, To US and THE ORGANISMS around us. Another reason some more people might care about climate change is that if climate change gets worse it could and CAN have irreversible results and damages such as disrupting and destroying many crops that we need for consumption and market, The water source since we still haven't found out a way to clean ocean water we are stuck with the glacier water which thanks to climate change are running out.
That's my paragraph
Explanation:
The answer is C. the mobile.
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