The moon has wildly different temperature ranges contrasted with earth because A. there is no atmosphere for heat energy to be transferred through convection

B. the moon only has night so it never has sunlight to warm up

C. the earth has time to cool off at night, but the moon is always brightly lit.

D. there is not atmosphere for the sun's energy to be transferred through via conduction.

Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.