Which of the following does not have a primary amine as part of its structure?
A) adenine
B) cytosine
C) guanine
D) thymine
D
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Groundwater
a. has turbulent flows that dilute pollutants b. has large populations of decomposing bacteria that break down degradable wastes c. is cold, which slows down decomposition rates d. may take five to ten years to cleanse itself of wastes e. is quickly renewable
The fact that solar energy is spread over a larger area in northern latitudes helps to explain why
even though these latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south. Indicate whether the statement is true or false.
If you see a stream that flows year round you know that that stream
A) receives surface water only. B) receives ground water only. C) receives ground water and surface water. D) exists where it rains everyday.
Which of the following is not a geologic hazard?
A) Use of poor construction materials resulting in a cracked foundation B) Volcanic eruptions sending lava flows toward a city C) Deforestation on a floodplain increasing the severity of river floods D) Climate change leading to sea-level rise