⦁ Explain how geologists determine the relative age of sedimentary rock layers in the Grand Canyon using Steno's Principle of Superposition? (5 points. Answer in at least 2 complete sentences.) ⦁ Explain why sedimentary rock layers of the North and South Rim(side) of the Grand Canyon are the same age, using Steno’s Principle of Lateral Continuity. (5 points. Answer in at least 2 complete sentences)

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

What id the primary human cause of the global warming a. storage of nuclear fuel rods b. burning of fossil fuels c. building of high-density housing d. violent conflicts over natural resources

Look at the map above. which of the following statement is true