The High Plains aquifer irrigates about one-fifth of all U.S. cropland
Indicate whether the statement is true or false
TRUE
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In the core's current food regime, ________ are dominant
A) wheat and livestock B) fresh fruits and vegetables C) fast foods D) free-range chicken and hormone-free beef
The current rate of extinction is between _____ and _____ times the rate that existed before humans arrived on Earth
a. 5 and 10 b. 10 and 100 c. 100 and 1,000 d. The rate is the same as it was before humans arrived on earth. e. There is no way to determine the extinction rate before humans arrived on earth, so these numbers cannot be estimated or compared.
Aluminum ore deposits are
A. evaporites. B. placer deposits. C. residual deposits. D. metamorphic deposits.
Which action is characteristic of voluntary simplicity?
A. learning to live with much less B. working more to provide for more family wants C. using products with greater environmental impact D. adding more possessions that last longer E. increasing adoption in underdeveloped societies