c. sandstone in the zone of saturation
Explanation:
The best aquifer of all is a sandstone in the zone of saturation. An aquifer is a porous and permeable formation where groundwater can accumulate.
- To be a good aquifer, a rock or soil must be porous and permeable.
- Porosity is the amount of void spaces present in a rock.
- Permeability is the inter-connectivity of the pore spaces.
The zone of saturation is the zone below the water table where water is always present underground.
- Sandstones have high porosity and permeability.
- They are good aquifers when found at the zone of saturation.
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Answer: Carbon emissions
Explanation: Mankind is creating excessive carbon emissions with his factories and machines.
MAke two piles and spread them apart
Answer: A. An early form of chemistry that people used to try to turn metal
into gold.
Explanation:
Alchemy is indeed an early form of chemistry in which people try to turn metal into gold.
1.) K, N, and O
2.) Fe and O are unbalanced
3.) a
4.) Its already balanced
5.) I belive it is 2Cr+Cl2 -> CrCl3
