Some Earth science questions? (Minerals and landscape)?

ridinapinto

New member
How many cleavage planes are in biotite, galena, potassium feldspar, quartz, and calcite?

Which of the following earth materials is most affected by the naturally acidic groundwater?
Andesite, which contains the mineral amphibole
Granite, which contains potassium feldspar
Limestone, which contains the mineral calcite
Explain your reasoning:

Which of these minerals will survive the longest when transported in a stream?
Calcite
Quartz
Potassium Feldspar
Explain your reasoning:
thanks to anyone who can help, this is definitely not an area of study I find easy.
 
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