Plasma membrane, cytoplasm and ribosomes.
A and B are the exact same option.
The answer is that the production of ethanol indicates anaerobic respiration.
Answer:
There are 5 steps of the scientific method
1. Make a question
2. Do some research for that question
3. Make a hypothesis ( guess what might happen during the experiment)
4. Test and Collect Data
5. Conclusion ( write what happened during the experiment and what you learned)