Dogs trained for search and rescue typically rely on two main methods to locate humans. One is called air scent, in which a dog sniffs its surroundings and makes a straight line for the target once the scent is detected. _______ a dog sniffs the ground and follows the specific route taken by the person, even if the path is convoluted with twists and turns. This method is referred to as tracking. Which choice completes the text with the most logical transition? Furthermore, Specifically, However, Alternatively, MAKE SURE UR ANSWER IS THE MOST ACCURATE