Select the correct answer. Which statement defines externality?

Based on the supply and demand theory, why do medical doctors earn higher wages than child-care workers?

Which statement best describes the two reactions? abcl, + h2 → 2hci2h + h = he + inreaction a involves a greater change, and reaction b involves a change in element identity.reaction b involves a greater change and a change in element identityreaction a involves a greater change and a change in element identity.reaction b involves a greater change, and reaction a involves a change in element identity.

Which two tasks does an industry safety and health engineer perform?