Which of the following best matches the description?Material that is weathered to become the mineral part of the soil.
A. contour farming
B. parent material
C. soil texture
D. horizon
E. weathering
F. loam
G. mechanical weathering
H. chemical weathering
I. windbreak
J. soil profile
K. lithosphere
L. friable
M. asthenosphere
N. leaching
O. humus
P. terrace
Q. soil structure
Answer: B
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The bob of a simple pendulum has its maximum potential energy at the
A. bottom of its swing. B. same at all points along its path of swing. C. midpoint between top and bottom of its swing. D. top of its swing.
The zero point on a tide graph is called the ____
A) slack water point B) mean sea level point C) node point D) tidal datum
Which of the following is true of pathways by which energy is extracted from carbohydrates and glycerol?
A) They are both glycolysis pathways, but are different from one another. B) They are the same as one another. C) The pathway for carbohydrates does not involve glycolysis, but that for glycerol does. D) The pathway for glycerol does not involve glycolysis, but that for carbohydrates does.
Individuals of a single species fighting over access to a limiting resource would be an example of ________
A) interspecific competition B) symbiosis C) resource partitioning D) intraspecific competition E) competitive exclusion