The correct answers are "identify a lost dog", "track a package" and "track inventory in a store". Radio frequency identification (rfid) is a technique that uses electromagnetic fields to automatically identify and track tags attached to objects. This technology has been used to unequivocally identify lost dogs, track a passage that has been labeled, and track inventory in a store using tags.
also known by the laqab of Imad ad-Din, was an Arab military commander of the Umayyad Caliphate who led the Muslim conquest of Sindh and Multan from the last Hindu king, Raja Dahir in the battle of Aror.
