Clay makes bricks. Sand is used in cement.
Clay, sand, and soil.
they used mudbricks, sand, clay
clay or sand
molding sand contains 8-12 % of clay.
Clay, derived naturally, comes from sedimentation in river beds after they become more stagnant. The silt collects and can be cut right from the old stream bed and used for making models and sculptures. Cement, of the Portland variety, is made from sand, rocks and limestone to be used to make buildings and driveways.
Concrete is used for building buildings and it is a mixture of sand, water and cement.
They were used for houses and buildings
The materias used to build the Alnwick Castle were stones, clay, sand, wood, concrete and rocks.
The answer is Sand. A sand storm can cause one to shield their eyes effectively blinding them. Sand is also used to make glass which is used to make glasses, telescopes, etc that help them see. Sand is used in concreate and can be use to build tall strong buildings. Now back to a sand storm. When the sand is blowing through the air it can quickly erode a building. Look at the buildings in Egypt. The Sphinx perhaps knows this fact.
They used Clay,Cement,and Sand....
It can be used to make concrete and bricks when it takes the form of sand and clay. In its silica form, it can be used for making enamels and pottery.
The sand and clay soil is the type of soil and sand that would be used by the tortoise to substrate.