How are operational definitions in science examples of the models that scientists create of the world (see Chapter 1)?
What will be an ideal response?
Answer: Operational definitions define a term by setting up tests that the defined concept has to meet. These tests model the concept, without actually defining the subject.
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A small glacier is located just north of the Dana Plateau (in the northwest section of the map). In what kind of glacial landform is this glacier found?
The question is based on Map T-13, the “Mono Craters, California” quadrangle (scale 1:62,500; contour interval 80 feet), and Figures 48-5 and 48-7, a detailed map and stereogram, and Map T-23a, a satellite image, of the same region. The heavily glaciated eastern crest of the Sierra Nevada is seen along the western sides of the map and stereograms (37°52'37"N, 119°12'40"W). During the Pleistocene, glaciers in this region flowed down the valleys on the eastern slope of the Sierra toward the Mono Lake basin to the northeast. Large lateral moraines are found at the mouths of each canyon. What will be an ideal response?
At the Stockholm Convention of 2004,
A) all attending nations signed a pledge to prohibit manufacture and use of BPA. B) several of the most toxic POPs were banned or restricted. C) funds were made available to clean up toxic chemical spills in developing nations. D) the European Union lifted its ban of BPA.
Ocean currents play a relatively small role in regulating climate
Indicate whether the statement is true or false
In the winter you read in the newspaper that a large section of the Midwest is without power due to downed power lines. Which form of precipitation would most likely produce this situation?
a. snow b. hail c. freezing rain d. sleet e. rain