Which statement correctly describes the process of waste disposal in sanitary landfill ?

Which is adverse effect of sanitary land fill noticed occasionally?

From the following, which is not a category of sorting of waste ?

From the following, which is a recyclable waste ?

Which is appropriate method for disposal of hospital wastes ?

Which is valid suggestion for responsible citizen to deal with managing nonbiodegradable waste ?

For treatment of e-waste, which is the most suitable solution ?

Which metals are recovered from recycling of E-waste ?

Greenhouse effect is warming due to

Which one of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contribute to the total global warming ?