Small pieces of rock that settle at the bottom of rivers, lakes, and streams. Can also contain dead animal and plant matter or fossils. A type of chemical weathering that forms when fossil fuels, coal, and oil are burned and produce oxides that are released into the air and react with sunlight and water.
It is True! Because The Homestead Act granted 160 acres of untouched land to the immigrants coming to the U.S. so they could farm and grow crops to ship to the bigger cities. If they showed up with $10 they would get 160 acres of land in the west.
