Geography

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

No matter where you go throughout Nevada, all of the roads will be the same. True False

Select the correct answer. The oceanic Nazca plate is being subducted beneath the continental South American plate. Which type of plate boundary is this A. continental-oceanic convergent B. oceanic-oceanic convergent C. divergent D. strike-slip E. transform

Which of the following is/are characteristic of the earth but not the moon? A) Volcanoes B) Asteroid impacts C) Molten core D) Plate tectonics

About how often does a 1-kilometer object strike Earth? every year every million years every billion years

Appalachia refers to a mountainous region on the West Coast stretching from Arizona, through California, into Oregon and Washington State. True False

Weather phenomena occur in the __ stratosphere mesosphere thermosphere troposphere

Which of these is a good definition for magma? hot, melted rock that is now hardened underground hot, melted rock on the earth's surface hot, melted rock beneath the earth's surface hot, melted rock on earth that has hardened

7. How did the geography of the East African coast give rise to prosperous city-states? Its location gave it access to important trade routes. Its climate provided for diverse economic activity. Nearby waterways provided natural defenses against invasion. Fertile land supported large-scale farming.

Which ocean has the largest surface area? Select one: a. The Indian Ocean b. The Pacific Ocean c. The Atlantic Ocean d. The Southern Ocean