Missing letters: (Find the missing letters in the words)

T _ A _ C _ ED: (Roofs of huts in hot areas)

Missing letters: (Find the missing letters in the words)

T __ NS _ 0 _ T: (Tertiary activity)

Missing letters: (Find the missing letters in the words)

I _ L _ 0 _ : (Houses made of ice blocks)

Missing letters: (Find the missing letters in the words)

Dl _ PE _ S _ D: (Scattered settlement)

Missing letters: (Find the missing letters in the words)

U __A_ : (Settlement including towns and cities)