Well, we know that a lot of the ancient civilizations were first-handedly affected by disease. For example, Native Americans were severely impacted by the spread of pestilence. 90% of their population was completely killed off. I think that would be enough to concern them, don't you think? :P
Answer: dentist
Explanation:
Dentists are specialize in dentistry, which is a branch of medicine which consist in the study, diagnosis, prevention and treatment of diseases related with the "mouth" or oral cavity. In other words, they diagnoses problems with the teeth and gums.
Explanation:
Option 1 is 
Property is : 
So, 
Option 2 is 
We can write it as : 
Option 3 is 
Property is : 
So,

It is clear that option a and c are same. But option b is different.
Answer:
The correct option is;
c. Avoid all processed foods such as bakery items, packaged cookies and store-bought bread
Explanation:
Dietary trans fat comes primarily from consuming processed bakery foods and packaged items such as crackers, cakes, cookies, margarine, popcorn, potato chips, fried potatoes, breakfast cereals although the frying process does not form the trans fat
80% of the dietary trans fat come from processed food or oils while the remaining are found in natural food sources
Limiting the consumption of processed foods which make up the 80% source of dietary trans fat is the most effective way of reducing trans fat intake.