Which observation would undermine, and not provide support for, the idea that a meteorite impacted Earth at the end
of the Mesozoic?
a. rapid decrease in sulfuric acid and nitric acid concentrations
b. thin, global iridium layer between Cretaceous and Paleogene rocks
c. soot layer between Cretaceous and Paleogene rocks
d. shock-metamorphosed quartz between Cretaceous and Paleogene rocks
e. an impact crater dated to Cretaceous times
a
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A conglomerate that is formed by glacial processes:a
glacial striation d. delta b. tillite e. alluvial fan c. evaporite
____is a measure of how much water a material can hold, and ___ measures how easily the material transports fluids
A)Porosity; permeability B)Sorting; permeability C)Infiltration capacity; permeability D)Permeability; porosity E)Infiltration capacity; porosity
As soils mature, distinct layers called ________ appear.
A. layers B. units C. strata D. horizons E. beds
The world's rainforest regions are found under the ____
a. subtropical high b. equatorial low c. polar high d. middle latitude low