You could survive just on bread, if it were necessary. The flour is enriched (rather than "fortified", because enriching replaces the vitamins that are lost during the process of refining the grains into flour, as opposed to adding completely new vitamins)with a wide range of vitamins and minerals including thiamin, folic acid, riboflavin, iron, calcium, magnesium and niacin. Also, ascorbic acid (vitamin C) is generally used as a bread improver in commercially baked breads, which would ensure against scurvy.
A person can only survive about a week because every human need water to survive
What foods?? Your question indicates a list of foods, when in fact you have listed none.
Yes, people can purge almost 100% of the foods that they have binged on. This is very dangerous as the body needs nutrients to survive. A person can die of this is not treated.
Examples are: assimilation of foods and respiration.
you can survive a sinkhole if it is not very deep
Because the water in the ocean is salt water. If you have too much salt, it can be poisonous, and with salt water it's pure salt. Also the fact that you need other foods in order to survive.
they need foods,water and place to breed
Healthy foods, love and compassion, and exercise.
no one can survive with out water dummyMany foods contain lots of water, so it may be possible. But it would be difficult if you don't know what you are doing. Eat your veggies!
the person in charge of cold foods preparation and preservation?
With sufficient nutritious food and plenty of water, a person can survive indefinitely.
High triglyceride foods are very harmful because these are the foods that are known to raise a person's cholesterol and they can clog a person's arteries.