2 and B definitely it’s all about the attitude!!!
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.
<span>When a person is making cardiovascular gains through aerobic activity they are increasing the amount of oxygen to the heart and lungs. This actually keeps the heart and lungs of a person very healthy. It decreases the chance of heart diseases. I hope the answer has come to your help.</span>
