Problem: Does "Visitors often gather to watch the activity when a supply ship arrives." answer the question "Who can usually be found watching supply ships unload at Norfolk Island?"

A: yes

Problem: Does "High levels of precipitation cause the glaciers to descend to permafrost levels in some areas whereas in other, more arid regions, glaciers remain above about the 3,500 m (11,483 ft) level." answer the question "What cause the glaciers to descend to permafrost levels in some areas?"

A: yes

Problem: Does "A century later, when the Treaty of Lausanne was signed between Greece and Turkey in 1923, the two countries agreed to use religion as the determinant for ethnic identity for the purposes of population exchange, although most of the Greeks displaced (over a million of the total 1.5 million) had already been driven out by the time the agreement was signed.[note 1]" answer the question "Is this identifying factor for official citizens of Greece still in effect today ?"

A:
no