Which of the following are criteria which link countries that form the different regions?
A. cultural
B. natural
C. economic
D. all of the above
D. all of the above
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Judge the following sentence according to the criteria given below: Deltas are not subject to deadly
flooding by tropical storms BECAUSE their elevations are far above sea level. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect
The Chernobyl nuclear accident about 30 years ago
A) resulted in only five deaths and the loss of less than two square miles of land. B) spread large amounts of deadly radiation over thousands of square miles. C) avoided a complete core meltdown because of heroic intervention by two men who later died from radiation exposure. D) was cleaned up and the nuclear reactor rebuilt in 1994 and has been free of problems since then.
Which definition of oxidation is most useful when considering the oxidation of tertiary alcohols?
A) gain of oxygen B) loss of electrons C) loss of hydrogen D) None of these, 3° alcohols are not oxidized.
What is a rock? What will be an ideal response?