An atom of fuorine has an atomic number of 9 and an atomic mass of 19 how many protons neutrons and electrons does it have

During which time interval does the object travel approximately 10 meters

Which position represents spring in the southern hemisphere? a) b) c) d)

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