Which correctly describes particles of a substance in the gas phase?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering