3. A shallow circular pond of 2 m depth and radius of 50 m is having a water depth of 0.5 m. The concentration of phosphorous in the pond is 2 mg/L. If the pond received annual precipitation of 100 mm, what is the

Describe the Procedures and equipment needed for obtaining water samples above the water table.

). The network and durations given below show the normal schedule for a project, and the table given below summarizes the time-cost information for the activities, the owner wants to finish the project in 110 days, so find the minimum possible cost for the project to finish in 110 days AND 20 A B C D (19) E F 9. Activity (days) 120 20 40 30 50 60 Normal du 120 60 Crash (days) 100 15 30 20 40 45 30 on 4 50 Norma Cost 12000 1800 16000 1400 3600 13500 Cost 14000 2800 22000 2000 4800 18000