1. You notice a ""rotten egg"" smell coming from the black goo in the iron drain pipe in your kitchen. You could get rid of the smell by adding which of the following? A. Sulfate reducers B. Purple sulfur bacteria C. Methanogenic bacteria D. Clostridial spores E. Sulfur oxidizing bacteria

The correct answer is letter B

Designation of the group of bacteria, not related to each other, that use sulfur, sulfides or sulfates in their metabolism. The photoautotrophic, green or red anaerobic bacteria use hydrogen sulfide as a source of electrons for photosynthesis, producing sulfur as a final product. Sulfur oxidizing cheiautotrophic bacteria, or their compounds, produce sulfates as the final product. The sulphate-reducing heterotrophic anaerobic bacteria need sulphates for their breathing, obtaining energy by reducing sulfur or hydrogen sulphide.

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )