What physical features does Greece have that would encouraged the Greeks to make their living from sea?

1. Long coastline: Greece has a long coastline, with over 15,000 kilometers of coastline. This gave the Greeks easy access to the sea and made it easy for them to establish ports and harbors.

2. Numerous islands: Greece is made up of over 6,000 islands, which are scattered throughout the Aegean and Ionian Seas. This gave the Greeks an opportunity to explore and colonize new territories, and to establish trading routes with other civilizations.

3. Favorable climate: Greece has a mild Mediterranean climate, with hot, dry summers and mild, wet winters. This climate made it possible for the Greeks to sail for most of the year, and to grow crops that could be exported to other regions.

4. Abundant marine resources: The waters around Greece are rich in marine life, including fish, shellfish, and sponges. This made it possible for the Greeks to develop a thriving fishing industry and to trade marine products with other civilizations.

5. Natural harbors: Greece has a number of natural harbors, which provided safe haven for ships and made it easy for the Greeks to establish trading ports.

These physical features made Greece an ideal location for the development of a maritime culture. The Greeks were able to use the sea to their advantage, and they became a powerful seafaring nation that played a major role in the development of Western civilization.