The amount of carbon dioxide (CO2) released by factories and automobiles has soared, while the quantity of plant life on Earth has diminished. The net result is a rising concentration of CO2 in the atmosphere, which in turn has led to__________.
A. acid rain
B. air pollution
C. global warming
D. increasing biodiversity
Answer: C
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The purpose of univariate descriptive statistics is to
a. summarize relationships between many variables. b. display the essential meaning of variables measured at the intervalratio level. c. combine nominal and discrete variables. d. summarize a single variable.
The majority of marriages in 1900 ended with:
a. a legal divorce. b. an informal separation. c. the death of one of the spouses. d. an annulment.
This is the idea that how people develop is influenced by the generation they belong to, or the time period in which they were born.
What will be an ideal response?
The U.S. Department of Agriculture estimates that a typical middle-class, two-parent family will spend about ________ raising a child born today until the age of 18.
A. $128,000 B. $197,000 C. $234,000 D. $372,000