Judge the following sentence according to the criteria given below: A 1-unit change in pH represents a 100-fold change in hydrogen ion concentration BECAUSE pH is not a linear scale
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.
D
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Without the atmospheric greenhouse effect, the average surface temperature of Earth would be ___
A) higher than at present B) lower than at present C) the same as it is now D) much more variable than it is now
What is not an example of a push factor as it relates to migration?
A) low wages B) poverty C) "bright lights" of a big city D) war E) famine
Neocolonialsim is the latest surge in countries of the global north taking over countries of the global south
Indicate whether the statement is true or false
Despite its high resource usage, beef is a major commodity due to the high value per kilogram of the final product. Which of the following changes would cause a reduction in beef production?
a. an agricultural program that subsidized pork production so that the profit per kilogram of pork was comparable to that for beef b. a precipitous fall in the price per kilogram of beef c. a dramatic rise in the cost of feed, land, and water to the beef producer d. all of the above e. none of the above