Date: Name: Env Geo Final 2018 Version 1 and black clips are connected to the 9

Question

Date: Name: Env Geo Final 2018 Version 1 and black clips are connected to the 9 Volts battery. As shown in figure C, one clp cete. Which of the following setup could be used to make measurements in 1. In the leaky landfill lab, the power clips and probes should be correctly placed to locat the landfill leaks. The red and black probes are used to take measurements, and the this lab? ?, ? B. D C. B D. A In soils, the B-horizon is defined as: A. Water table B. Zone of accumulation C. Humus rich layer D. Bedrock 2. 3. Generally, solls form and are transported far, and subsequently deposited rather than mainly forming in place. A. False B. True 4. -rocks can dissolve from acidic rain or groundwater and produce-?, topography. A. Shale, coastal B. Limestone, Karst C. Sandstone, Karst D. None of the answers are correct 5. In the leaky landfill lab, what did the short straight lines at right angles to the equipotential lines you drew represent? Those are potential lines that represent the measured voltages at positions of the negative (black) electrode relative to the liner A. B. Those are potential lines that represent the measured voltages at positions of the positive (red) electrode relative to the liner. C. Those are electrical flow lines. D. Those are water flow lines.

Explanation / Answer

2. B horizon is the zone of accumulation as it is made of clay , iron minerals as well as organic matter which have been washed down to be accumulated at this horizon.

3. True: Pre existing rock is fragmented or weathered and the sediments are then transported and subsequently deposited to form soil layers.

4. Limestone can dissolve from acid rain and form Karst Topography as limestones are mainly composed of CaCO3 which are highly reactive.

5. D. Water flow lines

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