Realistically, I would not do the last two options, the only one that I would do is B, ask myself if I really need it, and of course I would also read the price.<span />
Of these options the one which best answers the question is 'Use whatever professionals claim to use.' It is not that professional recommendations should not be consired or valued. The reason you should not just use whatever professionals claim to use is that their needs, as professionals, may be very different from your own. In order to know whether your own needs will be met you need to know what those needs are and whether the product meets those needs. All of the other options given would help you to figure this out, but the testimony of professionals would not.
These forces are all equal and cancel each other out. Gravity pushes downward on the ice cream. This can also be called the weight of the ice cream. Buoyant force pushes the ice cream upward
