Answer:
i think A im sorry if its wrong
Explanation:
Some risk factors for breast cancer are things you cannot change Such as getting older or inheriting certain gene types breast cancer is also caused by stress so I think it is (true)
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.
