Which statement below is true? A) When the humidity is low, water droplets form on cold surfaces.
B) When wind speed is low, a windsock stays up in the wind and appears full.
D) When you go higher in the atmosphere, the air pressure gets lower.
C) When the air temperature is high, the air feels cold against your skin.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Along what geographical feature are most of the oil producing regions located

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.