Scientific method can be defined as a detailed plan for conducting research in a particular scientific domain. This is used to give scientific explanation for natural phenomena. In scientific method a hypothesis is created, observation is made, experimentation is conducted and then finally a conclusion is made to address the hypothesis.
Therefore, after the research is completed the conclusion is made by analyzing all the facts related to the literature and results of the experiments.
Nitrate and Sulfate are alternative electron acceptors. With the use of these it would not use oxygen so It would be Anaerobic Respiration..hope this answer helped.
