Answer:
when we drink the milk the digestive system produce protease enzyme to break down the protein of milk.
Answer:it is in group 7
Explanation:it is in this group because in the increasing number of atomic number the element is found in group seven. The element is likely to receive 3 electrons while bonding with another element to make it stable.
Compound is a pure substance where atoms of two or more elements are chemically bonded togather
