Teoria 1) ¿Cuál es el lon que define a un Acido?
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2) ¿Cuál es el lon que define a una Base?

Can someone me with 1 to 4 plz. fast

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

What are the constituent metals of stainless steel?