When elements combine chemically why are they not easily identifiable

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

What type of cell division is used to replace old cell?

4.explain how these geological processes and interactions have changed earth's surface through the years. be sure to use evidence to support your answer • earthquakes • faults • ocean formation • mountains • volcanoes • island chains • seafloor spreading