The first person generally
credited with fulfilling the functions of the modern director was George, Duke
of Saxe- Meiningen. Meiningen was a wealthy aristocrat and head of a small
German principality. In 1826, George, Duke of Saxe- Meiningen and his
morganatic wife started an experimental acting group which was one of the first
companies in which the importance of the director was stressed.
Answer:
1) Make an observation.
2) Ask a question.
3) Form a hypothesis, or testable explanation.
4) Make a prediction based on the hypothesis.
5) Test the prediction.
6) Use the results to make new hypotheses or predictions.
Explanation:
It means an organism respire without it
so that organism know as anaerobic
for example : bacteria eats human and animal dead bodies under the earth there O² is deficient so bacteria respire with oxygen O²