Which of the following substances is not a conservable natural resource? by Sunday | May 15 | Biology WAEC | 0 comments A. Minerals B. Air C. Soil D. Water Correct Answer: Option B B. Air Users Also Read These:Which of the following substances is not usually…Which of the following substances does not have van…Which of the following is a major mineral resource…Which of the following groups of substances are not…The natural resource utilized for production is?