What immigrants came in on the first wave?

Which of the following situations best demonstrates the principle of separation of powers in the u.s. government? a. the president can veto laws passed by the legislature. b. the courts must approve constitutional amendments. c. states create their own educational policies. d. members of the legislature are elected by voters.

What is the difference between a positive and a normative statement

Aschedule of partial reinforcement in which reinforcement occurs after a fluctuating number of behaviors is called a(n) schedule. a. arbitrary interval b. variable interval c. variable ratio d. arbitrary ratio