C seems like the best choice here. Choice C because Pastuer has added a new portion to the cell theory eased on his new scarification findings. Therefore, scientific theories can be modified with new empirical data. A theory is just an argument widely agreed upon, not exactly a proven piece of information.
3.) Testing multiple variables.
Could you add a little more to this question, please?
Answer:
i am researching the answer give me a minute
Explanation: