What is permeability? How does it relate to porosity?
What will be an ideal response?
Permeability is the ability of a porous material to permit fluid flow through the material. Porosity describes the abundance of pore spaces whereas permeability describes how the fluid flows through the pores.
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An acid is a chemical that
A. donates hydrogen atoms. B. donates hydrogen ions. C. donates hydronium ions. D. accepts hydrogen atoms. E. dissolves metal.
Where is the most invaded region in terms of exotic species?
a. Los Angeles Harbor b. China c. San Francisco Bay d. Japan
Which climate contains the optimum environment for chemical weathering?
A) Cold and dry B) Warm and dry C) Cold and wet D) Warm and wet
Dangers to underground coal miners include all of the following except
A. explosion of natural gas pockets. B. respiratory illness due to breathing silica. C. mine collapse. D. radioactive radon gas.