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B. Keep the left over foods in the refrigerator. C. Segregate the decaying and non- decaying materials. D. All of the above 4. Ana is assigned to segregate waste materials at home. How will she do it? A. According to its ability to float and sink B. According to its color C. Into decaying and non- decaying groups D. Into small and big groups. 15​

Sagot :

Answer:

4. C. Into decaying and non-decaying groups.