04.04 MC) Which of the following best describes environmental parameters that should be examined before a city can build a landfill? (2 points) Select one: a. How close the landfill will be to major cities and highways b. Whether there will be sufficient staff available to operate the landfill c. If leakage from the landfill will be able to contaminate groundwater d. What the costs involved in maintaining the landfill will be