Grilling meat at high temperatures is associated with increased cancer risk because of the presence of:
1.fat.
2.heterocyclic amines.
3.iron.
4.nitrosamines.
Question 2
It is estimated that 80 of all lung cancer cases are caused by:
1.dietary fat intake.
2.inherited genetic factors.
3.lack of physical activity.
4.use of tobacco products.
