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Digestive System Humans, like all animals, use  holozoic nutrition (Humans, like all animals, use holozoic nutrition(is a type...

Here is the list of different branches and their concerned field of Science."

Disease Caused by virus Disease Caused by Bacteria

1. FORMAL LETTERS Formal letters include (1. Business letters 2. Official letters 3. Applications 4. Letter to Editor of newspapers,le...