The long-range impact of human activities on natural environments is already evident in
a. global warming.
b. the extinction of plants and animals.
c. a hole in the ozone layer.
d. all of these.
D
Psychology
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The concept of __________ helps explain why pairs of identical twins reared apart during childhood and later reunited may find that they have similar hobbies, food preferences, and vocations
A) passive gene–environment correlation B) gene therapy C) evocative gene–environment correlation D) niche-picking
Psychology
In statistics ___________ is a measure of how consistent a test is over time, items, or raters
a. validity b. reliability c. the mean error d. variance
Psychology