The El Niño phenomenon takes place every 4-7 years. At this time, the usual UPWELLING along the western coast of South America does not occur. What could cause this? (HINT – The Trade Winds blow from east to west)

Acity developer is considering building an amusement park near a local river. what tool would the developer predict the future path of the river? a. series of city maps from nearby cities b. series of topographic maps in chronological order c. guide map of the new amusement park d. thermal map of the area

When studying the calumet region of illinois and indiana alfred meyers noted four stages of development as new groups occupied this land in stage 2 farmers used the land primarily to grow food for their familes and their small communities

What is the speed of sound in water