Name: If contaminants were dumped on this same soil, what is the potential risk
ID: 217519 • Letter: N
Question
Name: If contaminants were dumped on this same soil, what is the potential risk of polluting the groundwater. (Is the risk high, what would cause the contaminants to migrate to the groundwater?) d. e. Most of northern New Jersey has acidic soils. From the data above, what are the ionship between the underlying bedrock ortill and the pH? (i.e, What types of bedrock have the lowest pH and what types have the highest?) f. If New Jersey received a larger amount of acid rain than it does now, which soil would be the best at neutralizing at least some of the acid? What kind of bedrock does it overlie? g. What minerals are likely associated with high plH soils?y h. What minerals are likely associated with low pH soils?AL Fe 7. Relative Age of Soil Profile at Site 1 and Site 2. Figure 3 below shows the soil profiles for the soils at Sites 1 and Sites 2. Both soils overly the same kind of bedrock, but one is from the glaciated area and the other from the unglaciated area of the state. a. The profile at Site I has a 3-inch dark-black organic rich layer (O-horizon), which overlies a reddish A-horizon. This reddish subsoil was sampled to a depth of about 3 feet. No distinct B-horizon was observed but the soil did get progressively redder in color with depth. The gravel clasts in the soil are of mixed lithologies (e g., basalt gneiss, sandstone, shale, and limestone) and are well rounded. Examples of grave clasts are shown in the hallway between the two labs The profile at Site 2 also had a thin O-horizon, which was on top ofan 8-to lO-inch thick brown-black upper A-horizon soil. The A-horizon overlay a yellowish-red B- horizon that could only be sampled to a depth of about 2 feet because there were so nany gravel and cobble clasts in it. The clasts throughout the whole profile are all b. c· horalt The clasts were typically moreExplanation / Answer
Ans: Q-d) In spite of having insufficient data to answer the question an idea can be put regarding dumping a huge amount of contaminants into the soil. Now potential contaminant includes a pathological bacterial strain in a test tube or a stretch of a dangerous virus strain in an injection syringe, or sometimes a recombinant microorganism etc. All this has an immense harmful effect on the ecosystem. Pathological strains of bacteria or viruses may contaminate the groundwater level too by percolating through the pores of soil components(sand, clay, humus).
Ans:Q-f) For neutralizing acid rains, alkaline or basic soils such as those are rich in limestone /calcium carbonate can neutralize the acid directly. This type of soil can be found mainly in Midwest, Great Plains, and most of the Western states.
Q-e) It doesn't have adequate data to answer.
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