After complex cell polymers are converted into monomers during anoxic microbial degradation, the monomers are fermented into 4 main products: CO2, organic acids, alcohols, and a. Hydrochloric acid
b. methane
c. H2 hydrogen gas
d. sulfate

i believe the answer is c. "baking" is the gerund, while "baking blueberry muffins" would be the gerund phrase. hope this ! : )

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.