The principle of isostasy was discovered by observing
A. discrepancies in measurements made by surveyors in India.
B. wooden blocks floating in a tank.
C. icebergs of various sizes floating in the ocean.
Answer: A
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In which side is the warmest air located?
A. on the left B. on the right
Which of the following best matches the description?Process of breaking up large particles by chemical reactions.
A. soil texture B. loam C. contour farming D. humus E. soil structure F. parent material G. friable H. leaching I. soil profile J. windbreak K. lithosphere L. mechanical weathering M. chemical weathering N. weathering O. terrace P. horizon Q. asthenosphere
In the case of indoor air pollutants, increasing the insulation in a home will most likely
A) increase the risk of developing an infectious disease. B) decrease acute reactions to pollutants already in the home. C) decrease the chances of developing chronic respiratory diseases. D) increase the chances of developing chronic respiratory diseases.
Which source of information is NOT typically used by fire investigators in determining a fire’s cause?
a. records of past fires in the area b. weather records c. height and degree of defoliation d. post-fire aerial photos e. wind patterns during a fire