b) Cuál será la Epg de una piedra de 20 g de masa a 50 m de altura? Nota: recordá primero pasar los 20 g de masa a kg​

2. how is heavy water different from normal water

What is the mass of 0.46 mil of mgcl2

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