expedition

1 - A recent expedition has confirmed that a huge flood occurred 7000 years ago in the Black Sea.

2 - In the sixteenth century, an age of great marine and terrestrial exploration, Ferdinand Magellan led the first expedition to sail around the world.

3 - As the conditions of the expedition are likely to be severe, you had better take necessary precautions.

4 - The first confirmation of the existence of an ice continent at the South Pole was made by the Bellinghausen expedition of 1820.

5 - New mineral resources may be discovered during the forthcoming expedition to the Antarctic.