Travertine, a form of limestone commonly found in caves, forms ________
A) when water in a cave is heated
B) when water in a cave is cooled
C) when carbon dioxide from the air contacts the moisture in the cave
D) when carbon dioxide in the water escapes into the air
D
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Technology is frequently considered to be an “independent agent of social change.” Do you agree? Explain why or why not. Critique this claim.
What will be an ideal response?
Because the index of refraction varies slightly with wavelength,
A) white light refracts much less than black light. B) white light refracts much more than black light. C) the amount and direction of refraction is exactly the same for all colors of light. D) the amount and direction of refraction is slightly different for different colors of light.
Wind moves sediment by
A. carrying finer material, like dust and silt, in air currents. B. rolling sand grains along the surface. C. bouncing sand grains along the surface. D. All of these choices are correct.
It is estimated that by 2035, half of the people in the world will live under severe water shortages. Discuss three specific strategies for conserving water in the United States
What will be an ideal response?