I think the answer is liquefaction but correct me if i am wrong.
It might be B) seawater.
I'm not entirely sure though, you may want to research if seawater can be created or not.
I can't see the whole image, but I would say A, since it is the only statement. B and D are steps in the experiment, and D is a question, not a statement.
Answer: The question is incomplete as the options are not given, here are the options gotten from another websites.
A. Most Probable Number method (MPN)
B. Microscopic counts
C. Turbidimetric methods
D. Standard Plate Counts (SPC)
The correct answer is the most probable method
Explanation:
The most probable method is the answer because it is a statistical method where the sample is taken by a process of innoculating 10 fold dilutions of broth. It is use to estimate the values of bacteria in nonliving cells or it estimate bacterial cells that can be found in good and water. Bacteria present in the broth ferment and change the color of the broth base on the indicator used