be+produced
131synthetic — Produced by synthesis. Artificial; not of natural origin. Also see Cubism, ersatz, fiber, nature, plastic, polymer, and resin …
132Biogenic — Produced by biological processes of living organisms. Note: EIA uses the term biogenic to refer only to organic nonfossil material of biological origin. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …
