Positive geotropism (gravitrosim) and hydrotropism.
Effective teamwork and high productivity are good indications of positive
productivity goals.
The answer would be C, it would be more difficult for DNA to unzip. Hydrogen bonds are strong, but easy to separate.
If I had been Louis Pasteur, my first reflection would be that the experiment was able to produce milk with longer shelf-life. From there, I would make inferences as to how it happened. I already have knowledge about microorganisms and how they react or degrade with heat and pressure. So, I would conclude that by subjecting the milk to that specific temperature and pressure, the microorganisms that cause spoilage are destroyed.
Later on, I would also realize that it's not only the spoilage-causing bacteria that are destroyed but also all the other microorganisms present in the milk examples of which are probiotics.
The nurse may say something along the lines of "The order will be submitted to your physician. Your parents will not know." It is only a simple test to see whether the boy has contracted the Human Immuno-Deficiency virus, and thus is not anything that requires interference on the parents' part, which may bring embarrassment on the adolescent. The nurse is practicing general ethics and her moral code here.
