What is the main problem that has developed in the Ogallala aquifer?
A) It has become contaminated with radioactive waste from the Chernobyl accident.
B) Precipitation is heavier to the east, causing tilting of the entire formation.
C) Overpumping may cause the southern parts of the aquifer to go dry in the next 100 years.
D) None of these are correct.
C) Overpumping may cause the southern parts of the aquifer to go dry in the next 100 years.
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There is little threat of a tsunami striking the East Coast of the United States.
Answer the following statement true (T) or false (F)
Why is variety in crop plants important for "food security"? How is this threatened by GM food crops? What is the U.S. position on GM products? How does this differ from the position of other countries?
What will be an ideal response?
The Smithsonian obtained many specimens and artifacts from which groundbreaking hybrid expedition?
A) The Discovery Expedition B) The Resolution Expedition C) The United States Exploring Expedition D) The Challenger Expedition
What is the smallest number of carbon atoms that can be present in a ketone?
A) 1 B) 2 C) 3 D) 4