What recessive disorder results in non-normal shaped blood cells that clog up blood vessels and cause pain, increased susceptibility to disease, and early death?

Ariel is drinking a can of beer. Barry is smoking a cigarette. cord is smoking marijuana cigarette. Who is using a psychoactive drug?

a) only Cord is using a psychoactive drug. b) only Ariel and Cord are using psychoactive drugs. c) only Barry and Cord are using psychoactive drugs. d) all these people are using psychoactive drugs.

The founder of behaviorism is:

a. James. b. Skinner. c. Watson. d. Wundt.