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.
Answer:
The answer is Small intestine.
Explanation:
Liver and pancreas produce enzymes which breaks down carbohydrate, protein and fat into smaller molecules. It takes place in duodenum, which is the first part of small intestine.
(Correct me if I am wrong)
Answer:
The answer is A, an object must reflect light.
Explanation:
You can't see anything if there isn't any light to see. Therefore something would have to reflect light in order for us to see it. Hope this helps!
Destroying germs and fighting against infection and disease