Liyah gets $5 for every “A” she receives on her report card. This situation BEST demonstrates which?
A) spontaneous recovery
B) primary reinforcement
C) classical conditioning
D) operant conditioning
E) observational learning

Deaths by traffic accidents are more likely to occur in a. high-income countries b. middle-income countries c. agrarian nations d. poor countries e. industrialized nations

When you can't determine who arrived at an intersection first, yield to the vehicle a. closest to you on the left b. closest to you on the right c. across from you d. with the largest wheelbase

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii