Hydrogenotrophy is Choose one: A. the oxidation of water during photosynthesis to liberate electrons, protons, and oxygen gas. B. the use of hydrogen gas as an electron donor. C. an award given to fuel companies that have the most fuel-efficient vehicles. D. the generation of hydrogen gas by methanogens in syntrophy.

apes

explanation:

evolution theory

i think that it is plants

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.