How can you tell a river valley from a glacial valley if there is no glacier within the valley? What will be an ideal response?
Rivers carve V-shaped valleys, but glaciers form U-shaped valleys.
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Which of the following would be considered a point source of pollution?
A) industrial wastewater discharge B) agricultural runoff C) street runoff D) yard fertilizer in runoff
Which of the following approximates the H-N-H bond angle in ammonia, NH3?
A) 109.5° B) 107.3° C) 120.0 ° D) 90.0°
In the downstream direction, a typical humid-region stream would experience a(n) ____
a. decrease in discharge b. decrease in channel depth c. increase in channel width d. increase in gradient
The water balance for Berkeley, California exhibits
A) a net water surplus (SURPL) during each month of the year. B) water deficits each month of the year. C) a net demands for water for 10 months of the year. D) water deficits in the months of February, March, and April. E) water deficits in the summer months.