Answer: A steam engine is an external combustion engine (ECE) in which the fuel is combusted outside of the engine, unlike an internal combustion engine (ICE) in which fuel is combusted inside the engine. ECEs have a lower thermal efficiency, but carbon monoxide production is more readily regulated.
1. B A D C
2. B D A C
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Answer:
I think it's all of them.
Inspect your home
Be very careful with space heaters.
Check your appliances.
Check the air conditioning and heating unit in your home.
Check the natural gas/LP gas system in your home.
you did not say any option
