Which of the following best describes environmental parameters that should be examined before a city can build a landfill a) how close the landfill 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

The correct answer is (c) if leakage from the landfill will be able to contaminate groundwater

The landfill has the property to form slurry and that can be contagious to the health of the people if it gets mixed into the groundwater in anyway. Before making a landfill in the area where people reside, there must be an assurance of safety in terms of water. The contaminated groundwater can be poisonous to the health of people also it can also cause many water borne diseases.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

bacterium is not correct