Answer:
Probably not.
The reason why is that we don't know if seafood is the only thing that contributed to the lower risk.
Did an increase of seafood in the diet lower other meats such as pork that maybe causes this type of cancer? What about the ration of seafood to vegetables or fruits for both groups. We don't know what vitamins and minerals could be in a deficit for these groups because of their diets.
The only thing that we can conclude here is that a diet rich in seafood could lower the risks but not necessarily because of the seafood but it could be the case none the less. Further research is needed to conclude that there is a connection between seafood and lowering the risks of cancer.
I'd say D. expert power because expert power is when an employee ( or in your case the teacher) has a high set of knowledge/skills that other employees do not posses. Which by the information above about this teacher's PhD and thier experience, I assume that this teacher must have expert power.
Answer:
False, but it really depends onm the person
Answer:
Employers don't want to train their employees because they fear they'll leave the company — which employees are actually doing more and more frequently these days — which means all the effort and expense of the training process will be wasted.