Answer: An aquifer is defined as a body of rock or unconsolidated sediment that has sufficient permeability to allow water to flow through it. Unconsolidated materials like gravel, sand, and even silt make relatively good aquifers, as do rocks like sandstone. Other rocks can be good aquifers if they are well fractured.
The relationship between them has gone mental
About 3000years ago the bronze age was replaced by the iron age.
Iron.
Hope it helps
Ponds, lakes, streams, rivers, and wetlands have little salt
