Which property of rock or sediment determines the ease with which water can flow through?
a. Viscosity
b. Bulk density
c. Permeability
d. Porosity
Ans: c. Permeability
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Match the desert landform with the correct definition
A) Apron of sediment along the mountain front B) Bedrock knob sticking up through sediment-filled basin C) Cone of debris at the mouth of a canyon leaving the mountains D) Dry, flat lake bed created by evaporation 1) Inselberg 2) Bajada 3) Playa 4) Alluvial fan
Radon (Rn, atomic #86 ) is a radioactive noble gas. Helium (He, atomic number 10 ) is a non-radioactive noble gas. Both are continually emitted from the surface of Earth. Which has a greater tendency to settle into the basements of homes and why?
What will be an ideal response?
Based on soil particle size, the largest to smallest soil types are
A) sand, silt, and clay. B) sand, clay, and silt. C) clay, sand, and silt. D) silt, sand, and clay.
Which of the following is the least likely characteristic of an easterly wave?
a. moves from east to west b. has converging winds on its western side c. showers and thunderstorms may be found on its eastern side d. indicates a region of lower-than-average pressure e. is a tropical wave