Which of the following would be an example of "source separation" of wastes, aimed at encouraging resource recovery? Group of answer choices municipal curbside collection programs, picking up newspapers, glass, and aluminum containers set out by homeowners in residential neighborhoods hiring additional personnel at waste disposal sites to sort through incoming refuse, pulling out potentially recyclable items prohibiting the manufacture of items which cannot be recycled easily (e.g. plastic Coke "cans") discouraging the use of disposable items manufacturing items for longer life and easier repairability