Question

But its near-faultless transportation system may be the most impressive and efficient means of public mobility ever built. Many residents cite the ease with which they can explore their city as a primary reason Tokyo is a desirable place to live.

Answer 1

The subject of the question is public transportation systems and the answer highlights Tokyo's efficient and convenient transportation system.

Step-by-step explanation:

The subject of the question is public transportation systems. The question highlights the efficiency and convenience of Tokyo's transportation system, which makes it a desirable place to live for many residents. The reference material mentions examples of other cities, such as Oslo and San Francisco, that also have well-developed public transportation systems.