Wind is included along with gravity, water, and ice as an agent of erosion. In many national parks and other areas of natural beauty, statements are often made that credit wind with having sculpted the landscape
Briefly discuss the importance of wind as an agent of erosion and explain why such statements are probably geologically inaccurate.
What will be an ideal response?
Answer: Wind does not have the competence to move abrasive sediments and so cannot erode much higher off the ground than one meter, which is the range of saltating sand.
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Considering how small atoms are, what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath?
A. not very likely because atoms are constantly dematerializing B. very probable because of how incredibly small atoms are C. not possible at all because atom don't last that long D. There's not really a way that scientists are able to make such an estimate.
What is the study of the balance between environmental factors and organisms in a community?
a. ecology
b. biogeochemistry c. biodiversity d. biology e. bioeconomics
If the measured amplitude of vibration of a rock is 1 cm for a magnitude 4 earthquake then the rocks will move ________ during a magnitude 5 earthquake.
A. 4 cm B. 8 cm C. 10 cm D. 20 cm E. 2 cm
Which of the following is the most accurate definition of economics?
A) the study of environmental systems and their monetary value B) the study of conversion of monetary units between nations C) the study of making money, goods, and services D) the study of tax laws, banking, and monetary policy E) the study of how humans use potentially scarce resources to meet demand