What happens to waves as they approach shore?
A. wavelength decreases, wave height decreases
B. wavelength decreases, wave height increases
C. wavelength increases, wave height increases
D. wavelength increases, wave height decreases
Answer: B
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On the average, how much of the Sun's energy that is intercepted by Earth is reflected back to space?
10% 20% 30% 40%
Why does the text say there is a greater density and cultural diversity of Native Americans living in California, than in the rest of North America, prior to European contact?
A) A greater number of tribal conflicts caused groups to split and become isolated. B) The mild climate and rich diversity of resources. C) Past periods of disease forced isolation between many groups that led to cultural uniqueness. D) The flat terrain and lack of wetlands in the Central Valley drew many Native American immigrants from the surrounding Aztec, Mayan, Great Basin and Puget Sound tribes.
Which of the following small molecules are converted to form sugar in photosynthesis?
A. oxygen and water B. carbon dioxide and oxygen C. water and carbon dioxide D. hydroxyl ion and hydrogen
Describe four methods of forecasting the weather and give an example for each one.?
What will be the ideal response?