When researchers gave animals an injection of an inert placebo to pre-expose them to the contextual cues associated with drug use, they found that the animals:

Which of the following is true about the solar wind? select all that apply the solar wind blows dust around on the moon. the solar wind interacts with earth's magnetosphere. the solar wind only interacts with the earth and its moon. the solar wind may be the source of water on the moon.

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere