Where would you look for information about what professional economists think about the macroeconomic issue you are researching? a. the economist b. econlit c. fred d. all of the above?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Why don't you see your reflection in water with waves or repples

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.