There exists the same question from other source that has the table;
The information in the table are as follows:
Ammonia - NH3
Glucose - C8H12O6
Salt - NaCl
Water - H2O
Ammonia, salt and water are alike because, first they are all compounds. They are composed of two different atoms: Ammonia - N and H, Salt - Na and Cl, Water - H and O
The answer is C=genetic information flows from DNA to RNA to protein
One problem with this hypothesis is that the student didn't write about why this hypothesis might work - what is the underlying mechanism. The thing is that one might want to write the underlying mechanism or explanation in his hypothesis. Another problem with this hypothesis is that it's very hard to measure and be sure that following exposure to white chocolate, people are happier and that it's not a consequence of something else.
