You are hiking in the desert. Just when you think you have run out of water, you see a cool spring. As you sip from the spring, you are thinking:
A. "This spring is a source of point pollution."
B. "Interesting…this spring is where the water table meets the land surface."
C. "I may die from drinking this salt water."
D. "This spring is a clue that rain has recently fallen here."
Answer: B
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When contrasting a weather warning, with a weather watch, the warning is usually designated for a ________ and means you should ________.
A) smaller area; be aware that conditions are favorable for severe weather B) larger area; be aware that conditions are favorable for severe weather C) larger area; seek shelter immediately D) smaller area; seek shelter immediately
Detroit is trying to figure out how to shut down and close off ________ because the city cannot afford to pay for street lights, garbage pickup, and police protection for the entire 360 square kilometers (139 square miles)
A) advertising revenue B) the rap video industry C) corporate investment D) entire neighborhoods E) the entire CBD
How can climate scientists be sure that temperature proxies are valid for reconstructing ancient climate?
What will be an ideal response?
Look at the "S" shapes in the middle-lower half of the photo below. Which of the following is a true statement based on what we know about streams? (Select all that apply.)
©imageBROKER / Alamy Stock PhotoA) Erosion is higher at outside of bendsB) Sediment is probably fine sand and siltC) Stream is flowing from bottom to topD) Erosion is lower at outside of bendsE) Stream is flowing from top to bottomF) Sediment is probably gravel
What will be an ideal response?