Question

add and subratct any any 7 digit and 9 digit number and round the add and difference of number to nearest lakh​

Answer 1

Step-by-step explanation:

Six salivary glands, located around the oral cavity, secrete saliva. This substance moves out of the glands into the oral cavity through ducts. Saliva is 99% water, but also contains enzymes and proteins that lubricate the oral cavity and begin chemical digestion of food.

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