Complete the notes.

Write ONE WORD ONLY from the text in each gap.

The hunt for sunken settlements and ancient shipwrecks

ATLIT-YAM

• was a village on coast of eastern Mediterranean

• thrived until about 7,000 BC

• stones homes had a courtyard

• had a semicircle of large stones round a [1]

• cause of destruction unknown – now under the sea

• biggest settlement from the prehistoric period found on the seabed

• research carried out into structures, [2] and human remains

TRADITIOINAL AUTONOMOUS UNDERWATER VEHICLES (AUVs)

• used in the oil industry, e.g. to make [3]

• problems: they were expensive and [4] and human remains

LATEST AUVs

• much easier to use, relatively cheap, sophisticated

Tests:

• Marzamemi, Sicily: found ancient Roman ships carrying architectural elements made of [5]

Underwater internet:

• [6] is used for short distance communication, acoustic waves for long distance

• plans for communication with researchers by satellite

• AUV can send data to another AUV that has better [7], for example

Planned research in Gulf of Baratti:

• to find out more about wrecks of ancient Roman ships, including

– one carrying [8] supplies; tables may have been used for cleaning the [9]

– others carrying containers of olive oil or [10]