Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Dorset and East Devon Coast' has mentioned 'Sea' in the following places:
Occurrence Sentence Text Source
At different times, this area has been desert, shallow tropical sea and marsh, and the fossilised remains of the various creatures that lived here have been preserved in the rocks.
In some places the sea has broken through resistant rocks to produce coves with restricted entrances and, in one place, the Isle of Portland is connected to the land by a barrier beach.
During the Triassic this area was a desert, while in the Jurassic it was part of a tropical sea, and in the Cretaceous it was covered by swamps.
The site can be best viewed from the sea, when the dipping nature of the rock strata becomes apparent.
Sea stacks and pinnacles, such as Old Harry Rocks at Handfast Point, have been formed by erosion of the chalk cliffs.