Advanced Placement (AP), 10.05.2021 23:20 gabriellestaleyga16
Outside the city of Five Points, a small illegal dump is found containing old computer
monitors. The concentration of lead in the soil is 200 ppm in a primary area, a circular region with a radius of 7 meters centered at the dump. A secondary area with an additional width of 7 meters has a concentration of 20 ppm.
Lead can be treated at a cost of $9/m^2 with phytoremediation with sunflowers or $45/m^3 with removal of soil by excavation.
Show your work in each calculation below.
a. What is the range of lead concentrations in mg/kg?
b. What is the area of the primary area? What is the area of the secondary area?
c. Evaluate the cost of remediation through phytoremediation and excavation to 1
meter for the primary and secondary area.
Answers: 1
Advanced Placement (AP), 23.06.2019 06:00
How does act ii, scene 3, when romeo goes to friar laurence’s cell at dawn, contrast with the action of the night before, when romeo and juliet declare their love? what do dawn and daytime signify to romeo and juliet’s relationship, and how does this scene tie into the light/darkness visual motif of the play? in the space below, analyze the scene’s importance in these respects. use specific details from the text to support your analysis.
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Advanced Placement (AP), 23.06.2019 14:50
What if i told you.. you could get free points and brainliest for answering this one drivers ed question ! hurry : ) to begin measuring your following distance, watch as the rear end of the vehicle ahead passes a. the rear end of a vehicle on the right b. the front end of an oncoming vehicle c. a fixed point on the road d. a distant landmark
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Advanced Placement (AP), 24.06.2019 17:00
Sorry two big valves your rpm will go down plus the smaller ones will give you more horsepower your rpm will go up the answer is b
Answers: 1
Outside the city of Five Points, a small illegal dump is found containing old computer
monitors. T...
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