The layer of quartzite in this photograph would mostly weather by
A) dissolution.
B) hydrolysis.
C) physical weathering.
D) spontaneous combustion.
C) physical weathering.
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The term "ecological footprint" can best be described as the ____.
A. average size of the lot on which a family home is built B. number of acres necessary to grow enough food to support a family C. geographic area in which a person travels during the course of their average daily activities D. amount of land and water needed to supply a population or an area with renewable resources and to absorb and recycle the wastes and pollution produced by such resource use E. amount of tillable agricultural land necessary to supply the food requirements of a nation
____________ are regional atmospheric disturbances characterized by strong winds, often accompanied by
precipitation. Fill in the blank(s) with the appropriate word(s).
Which of the following best matches the description?Region with rooted vegetation in a freshwater ecosystem.
A. biochemical oxygen demand B. littoral zone C. savanna D. pelagic E. pioneer community F. benthic G. desert H. phytoplankton I. grassland J. deciduous forest K. euphotic L. boreal forest M. periphyton N. tundra O. marsh
You are asked to do a field study of a region of the Midwest United States that is thought to have once been covered by a glacier. Which of the following observations about the area would help confirm the hypothesis that a glacier once covered this region? (Check all that apply.)A) Local topographic maps show several moraines in the area.B) Historical weather records indicate the area experiences heavy snowfalls during the winter.C) Many farmers report encountering a layer of unsorted, rocky till material when plowing their fields.D) The local bedrock is mostly composed of fine-grained sandstones.
What will be an ideal response?