Consider the following materials: 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?
Options
(a)1 and 2 only
(b)3 and 4 only
(c)1, 2, 3 and 4
(d)1, 3 and 4 only
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