They do the method 3 times to be sure. Because if you do it once, that could mean anything. If you do it twice, it may or may not have the same result. If you do it 3 times and it matches one of the previous answers, then it's likely that it's correct.
Answer:d
Explanation: oil would form droplets but only tiny ones because it’s surface tension is lower than that of water
This is honestly not something I’ve learned. The answer is something I don’t know.
The answer is negative 14
