The face of the cliff will become smoother and it will create a larger crevice In the canyon then before. Most likely weathering by water would cut its middle deeper then before
Taking into account the statement above: "According to the reading on the course web pages, the earliest usage of stone tools began around _____ million years ago."
guys I promise you its sewing machine because the sewing machine sewed the clothes while thy cotton gin only worked on the cotton not actual clothes. so the answer should be SEWING MACHINE.
