Question

the part of the earths surface that is physically suitable for permanent human settlement is known as
the ecospherethe ecosystemthe civilized worldthe ecumenethe biosphere

Explanation:

• The ecosphere refers to the sum of all ecosystems.
• An ecosystem is a community of living organisms in conjunction with the non - living components of their environment.
• The civilized world is a more cultural and social concept rather than a physical one for settlement.
• The ecumene is defined as the part of the Earth's surface that is physically suitable for permanent human settlement.
• The biosphere is the global sum of all ecosystems.

Answer:

the ecumene