9. The city health officer gives lectures to the households of Valencia City on how to dispose their waste properly. Which of the following shows a proper waste disposal? A. Putting all the waste materials in one container B. Scattering waste materials on the road C. Segregating waste into decaying and non-decaying wastes D. Throwing waste materials on a vacant lot 10. How should non-decaying wastes be disposed? A. By composting B. By recycling C. Reusing D. Both b and C​