Express the vector R~ A B C D P R in terms of A~ , B~ , C~ , and D~ , the edges of a parallelogram. 1. R~ = C~ + D~ 2. R~ = A~ − B~ 3. R~ = A~ − C~ 4. R~ = A~ + D~ 5. R~ = B~ + D~ 6. R~ = B~ − A~ 7. R~ = A~ − D~ 8. R~ = B~ + A~ 9. R~ = D~ − A~ 10. R~ = C~ + B

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.