Explain the process of cave formation
What will be an ideal response?
Answer: Slightly acidic water dissolves limestone by settling into cracks and joints in the rock. As more acidic water enters the system, the cracks are widened, and water can penetrate farther into the rock. Eventually, water and dissolved mineral content are discharged into a nearby stream. Over time, streams erode downward, so the water table drops and a cave develops farther down in the rock.
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Envision a radical new plan of your own for using existing automobile technologies most effectively, to positively impact human lives, city planning, and other societal concerns
How would your plan solve or ameliorate some of the problems faced by American cities? What will be an ideal response?
Which of the following statements regarding dugongs is correct?
A) Their fur is thick, and each hair is dense for better insulation. B) Their land-dwelling ancestors were cow like. C) They are concentrated in coastal areas of the tropical Atlantic Ocean. D) They are short animals that can reach lengths of only up to 2 meters. E) They have a paddle like tail and rounded front flippers.
The general term for channelized water flow, regardless of size, is
A) river. B) rill. C) stream. D) gully.
What is seafloor spreading and plate tectonics? How does seafloor spreading and plate tectonics connect previous theories of the movement of continents?