How do the cliff faces on the side of the Grand Canyon retreat (erode back) from the Colorado River? massive wind storms blow through the Grand Canyon to carve the rock and erode back the side walls weak rock material erodes and this undermines the harder rock above -leading to cliff collapse and rock falls (and rock slides) flash flooding events erode the side walls of the Grand Canyon a combination of wind and water erodes back the cliff faces

Zone of saturation means that the zone is saturated with __ air clay ice water

Which of the following feature would LEASTLIKELY to be found in a WIDE VALLEY? floodplain waterfall meander oxbow lake

One of the most commercially developed orbital regions around the Earth is __ A. middle Earth orbit B. terrestrial orbit C. high Earth orbit D. low Earth orbit

Where is most of the freshwater on Earth stored? a. Frozen in glaciers and other forms of ice b. In lakes and streams c. In reservoirs used to supply human settlements with water. d. In the depths of the ocean

1. What is another way to write the total length of the shoreline of the Great Lakes? A $(9\times 1,000)+(4\times 100)+(2\times 10)$ B $94\times 102$ C $(94\times 1,000)+(2\times 1)$ D $(94\times 100)+(2\times 1)$

Russia is nearly twice the size of the United States. true false

Fill in the Blank Question Erosion is most likely to occur on the $\square $ of a meander, where stream velocity is higher.(Enter only one word per blank.)

Plate tectonics regards the lithosphere as divided into segments (plates) that are in horizontal motion. True False

Compare Granite Basalt, and identify rock that had an intrusive origin. obsidian granite rhyolite basalt

True or False 1 point The geomagnetic north pole is not the same as the geographic north pole. (Hint: Video!) True False