Milk is an important nutritious drink. It is a good source of vitamin B12.
Cobalt is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is Co and its atomic number is 27, which means that a cobalt atom has 27 protons in ...
Milk is a highly nutritional natural product that can be used for a wide range of different products. For example, casein protein can be separated and then broken down to provide a nitrogen ...
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