What is the highest level category in the Soil Taxonomy system?
A. series
B. families
C. subgroups
D. great groups
E. orders
E
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Mountainous regions, such as the Rockies in the West and the Appalachians in the East, experience a greater number of air-mass thunderstorms than do the Plains states
Indicate whether the statement is true or false
Why won't meltwater infiltrate into permafrost?
What will be an ideal response?
An area with many sinkholes and caves is said to have ________ topography.
A. decalcified B. karst C. cratered D. a subsidence-dominated E. a wadi
Which statement correctly describes gravity?
A. an attractive force that acts between all objects through contact B. an attractive force that acts between all objects without contact C. a repulsive force that acts between all objects through contact D. a repulsive force that acts between all objects without contact