You left out a glass of milk for Santa at room temperature for 24h. Santa noticed that the milk has curdled. From this observation Santa can conclude that the liquid in the glass:
Essential nutrients
These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.
Vitamins
The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.
You left out a glass of milk for Santa at room temperature for 24h. Santa noticed that the milk has curdled. From this observation Santa can conclude that the liquid in the glass:
a. must be at pH 4.6 or below
b. contains high levels of bacteria
c. smells bad
d. has been depleted of lactose
e. should not be consumed, even with Holiday cookies
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