What is the primary cause of surface ocean currents? A. wind B. salinity C. temperature D. the Coriolis effect

Is hot asphalt that is poured into the ground and cools a physical or chemical change?

What followed the discovery of seafloor spreading?

Which technique did B. F. Skinner introduce to change a patient's unwanted behavior by positive reinforcement or punishment? A. classical conditioning B. operant conditioning C. systematic desensitization D. psychoanalysis

The sun is composed mostly of hydrogen. The mass of the sun is 2.0 * 10^30 kg, and the mass of a hydrogen atom is 1.67 * 10^-27 kg. Estimate the number of atoms in the sun.

How much work does gravity do on the compressor during this displacement?

Explain the difference between mass and weight (in at least 2 sentences)

Is it possible for a nazi style government to exist in the modern world? Explain why or why not.

What is likely to happen if a balloon that was blown up at a low altitude is brought to a high altitude? Why would this occur?

Elements have the same number of __as you move from left to right

What occurs when a liquid changes to a gas below its surface as well as on the surface? a. Sublimation b. Boiling c. Condensation d. Evaporation