A soil is sometimes called "mature" when ____
a. it begins supporting living vegetation
b. a well-defined A horizon appears
c. it begins to erode away
d. it has reached an equilibrium condition
e. a well-defined E horizon appears
d
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_______________ is largely responsible for developing the principle of fossil succession (also
called the principle of faunal succession). Fill in the blank(s) with the appropriate word(s).
Describe dripstone and how it forms. What will be an ideal response?
Southern Afghanistan is dominated by this land use:
A) desert area with limited vegetation B) dry farming and seminomadic herding areas C) forests D) mountainous areas with limited vegetation except in narrow river valleys
Which cloud type is associated with severe storms?
a. nimbostratus b. cumulonimbus c. cirrostratus d. altocumulus e. cirrus