Of the 285,000 residents of Athens, how many were eligible to vote?

Of the 285,000 residents of Athens, only 43,000 citizens were eligible to vote.

The correct answer is the last one: d. the climate is milder and wetter there.

Central Turkey is very cold and dry, especially in the winter, and this means that life is more pleasant on the coast. This also means that the major cities are located there: but that's not the primary reason, rather a consequence of the primary reason.