pre tour activity resource conservation quiz 1 what are the 4rs that help us make less garbage circle the correct four words rescue reduce recess reuse revise recycle return rot ...
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...Pre tour activity resource conservation quiz what are the rs that help us make less garbage circle correct four words rescue reduce recess reuse revise recycle return rot raw materials taken from earth to human made objects called a electricity b natural products c dirt d resources percentage of s water is fresh recycling paper can save which rocks trees air coal plastic metals oil sand composting method for into rich dark soil amendment compost glass bottles car and truck tires food yard waste aluminum cans in landfill how long does it take an break down years another name we use junk trash all above has been around as people have on forever when you throw out your may first go transfer station like will visit field trip not recycled put where ocean outer space desert much average person united states one day pound pounds some common steel only way decrease amount true false once away something disappears after few means changing old new answer sheet see importance hierarchy used rene...