rocks!

which type of sedimentary rock is used for construction of façades and floors?

which type of rock is formed from from compressed debris like sand and clay?

water, wind and ice carry and deposit rock debris on the floors of seas and lakes in the form of...?

what is clay used for?

if magma solidifies inside the crust, it is called...?

which rocks is composed of the mineral calcite?

if magma is expelled by volcanoes and solidifies on the surface, it is called...?

which type of rock is formed from other rocks being transformed by high temperatures, pressures or fluids?

how many classifications of rocks are there?

what are fossils?

which type of rock is formed from solidified magma?

what type of sedimentary rock is added to cement in the form of gravel to make concrete?