Green sea turtles figure in today's Geo Quiz. The Mediterranean Sea separates Europe from Africa....and touches on Asia. It stretches from the Strait of Gibraltar to the Bosporus Strait in Turkey and the Suez Canal in Egypt.

Strait of Gibraltar

The Mediterranean's temperate climate makes it an important marine habitat for Green Turtles. They like to nest on the sandy beaches of southeastern Turkey, Cyprus, and Lebanon. We'll hear more about some conservationists working to protect these endangered turtles.

Green turtle

But first -- here's the geography quiz: Tell us how many countries have coastline on the Mediterranean Sea. This coastline is peppered with famous beaches: from the French Riviera to Italy's Terracina Beach to Croatia's Golden Horn beach.

But how many countries border on the Mediterranean?

Add 'em up and don't take too long...