Answer:
The pressure exerted by the sharp knife edge is more than that exerted by the blunt one because the area on which force is exerted with a sharp knife is very small.So blunt knife cannot cut the vegetables properly.
The answer is 15 people.
Explanation
You have 45 people and a rate of 33%. 33% is equalivant to 1/3 so you divide 45 by 3 and get 15 people.
Diabetes are common in inheriting, it could be pass from one generation to another but Cancer is purely mutagenic disease, and happens in an individual.
In short, Your Answer would be False. They are not common Hereditary disease
Hope this helps!