Hydrogen sulfide a. is produced when sulfur compounds are used as terminal electron acceptors. b. may react with iron to produce a black precipitate. c. is produced by desulfovibrio. d. has a rotten egg smell. e. all of the choices are correct.

The correct answer is option E.

Explanation:

Hydrogen sulfide refers to a chemical compound with a formula H2S. It is a colorless, corrosive, poisonous, and flammable gas. Hydrogen sulfide exhibits a rotten egg smell. It is produced when the compounds of sulfur are utilized as terminal electron acceptors. It is generated by Desulfovibrio and may react with iron to generate a black precipitate.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.