A canyon is a type of landform formed over millions of years as flowing rivers wear away the land and carve out steep cliffs. A person standing at the bottom of a canyon would look up at the tall cliffs and think they were mountains because they are so high. Using this information, the landform at the bottom of a canyon is most like

She planned to observe the flowers for the next five days for an hour at the same time each afternoon. then she wou the data in a multiple line graph to compare the number of bees that visited each flower. which statement best descr data in this investigation?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water