Under what conditions is it possible for a material to have both high porosity and low permeability?
A. It is possible only if the rock is a granite.
B. It is not possible to have both high porosity and low permeability.
C. It is possible only if the rock is a sandstone.
D. It is possible if the void spaces are very small or are not well connected.
Answer: D
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What will be an ideal response?
What is happening in the mantle beneath a subduction zone?
a. Hot mantle rock is rising, pulling down a cold ocean slab. b. Cool mantle rock is rising, pulling down a warmer ocean slab. c. The mantle is molten and the subducting slab sinks into it. d. Relatively cool mantle rock is sinking, pulling down on a cold ocean slab. e. Hot mantle rock is sinking, pulling down on a warm ocean slab.
What benefit is there for dairy farmers to locate near large cities?
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During its early years the actions of the EPA were based on a command-and-control philosophy.
Answer the following statement true (T) or false (F)