... formation and structure of the Earth • rocks, minerals, and geologic structures• weathering• how landforms evolve• coasts, estuaries, and changing sea levels• solar energy• albedo and heat ... surrounding the star, and the whole system2 Earth Sciences / 19 Earth Sciences / 67Figure 2.22 Formation of cloud at a front. 1, Cold air is advancing rapidly,undercutting warm air and forcing it ... what is now the island of Earth Sciences / 29which are separated from the rock industrially by washing and precipitation, leaving a residue ofquartz grains (a white sand) and mica. About 15...