Fact 1: Producers make food from inorganic molecules. Fact 2: Autotrophs are referred to as producers. Given the two facts above, autotrophs make food from what?

Select from the following.
a). Converting waste.;
b). members of their own species;
c). Chemical energy;
d). photosynthesis;
e). that material's properties;
f). inorganic molecules;
g). Organic compounds;
h). Chlorophyll;
Answer:
f).