Which can be excluded from the list of underground materials that holds water in the Ogallala aquifer?(1 point)
Responses
sand
sand
gravel
gravel
mineral
mineral
silt
silt
None of the materials listed can be excluded from the list of underground materials that hold water in the Ogallala aquifer.
To determine which material can be excluded from the list of underground materials that holds water in the Ogallala aquifer, we need to understand the characteristics of the aquifer and the properties of each material.
The Ogallala aquifer is a vast underground water source that spans several states in the United States. It consists mainly of a porous layer of sedimentary rock and other materials that hold water like sand, gravel, silt, and clay.
1. Sand: Sand is a common material found in aquifers and has good porosity, allowing it to hold and transmit water. It is often included in the composition of the Ogallala aquifer.
2. Gravel: Gravel is another material that has good porosity and can store and transmit water. It is commonly present in aquifers and can contribute to the water-holding capacity of the Ogallala aquifer.
3. Mineral: The term "mineral" is broad and includes a wide range of substances. Some minerals can indeed store and transmit water, especially those with porous or fractured structures. However, without specifying the specific type of mineral, it is difficult to determine its suitability for the Ogallala aquifer. So, we cannot exclude it without further information.
4. Silt: Silt consists of fine particles larger than clay but smaller than sand. While it is less permeable than sand or gravel, it can also retain water and contribute to the water-holding capacity of an aquifer, including the Ogallala aquifer.
Based on the information provided, we cannot exclude any of the materials (sand, gravel, mineral, and silt) from the list of underground materials that hold water in the Ogallala aquifer. Sand, gravel, and silt are all known to contribute to the aquifer's water-holding capacity, and the inclusion of minerals is dependent on their specific properties.