Sand and or Gravel. I am assuming your talking about Roman Roads? Because Roman roads are made up of 4 layers one is large stones then small stones and the layer before the 4th layer is a mix of gravel and sand, the they put a layer of large smooth stones, so really the answer is sand AND gravel. Your from Conections Academey right? Next time just look it up in a text book!
The material commonly used to hold the top layer of stones together is mortar, typically made from a mixture of cement, sand, and water. Mortar provides adhesion and stability, ensuring the stones remain securely in place. In some cases, other binding agents like lime or epoxy may also be used depending on the specific requirements of the construction project.
The stones were cut so precisely that mortar was not required.
The stones were cut so precisely that mortar was not required.
stone and mortar to hold the stones together
The uppermost layer of soil that is covered in grass and the roots that hold it together. This layer can be cut and removed in slabs or rolls.
To hold your bits of material in place while you sew them together
A paperclip is typically made of galvanized steel wire, which is a type of steel that has been coated with a layer of zinc to prevent rusting. This material provides the paperclip with its strength and flexibility to securely hold papers together.
The stones were cut so precisely that mortar was not required.
It's a different material for almost every glue, but it's known as the 'carrier'.
seriously? hahaha, a pin is the pointy steal thing with the ball on the end that you use to hold your material together when you sew it. ahahhahahah
A single layer DVD can hold 4.7gb and a double layer can hold 9.4gb
If Coulomb's force is gone , the material structure of the Cosmos would be gone. Coulomb's force hold atoms together and molecules together and matter together.