Any aspect of geology concerned with the search for minerals and rocks of economic value is called ____ geology
A)exploratory
B)resource
C)reserve
D)mineral
E)economic
E
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Interglacial–glacial period climate cycles are often referred to as appearing saw-toothed, with an abrupt change followed by a more gradual change. When do we see an abrupt change: when going from interglacial to glacial times or when going from glacial to interglacial times? When do we see a gradual change?
Examine Figure 18.2. The Vostok ice core is 3310 m (10,860 ft) long. The full record extends back to 422,000 years before the present. The figure shows CO2 in parts per million (ppm) and temperature anomalies in Celsius degrees. What will be an ideal response?
Discuss the concentration gradients of carbon dioxide and oxygen in the ocean water column. What will be an ideal response?
Define metamorphic grade.
Although your sister is not a scientist, she says that she uses scientific techniques in her everyday life. You do not believe her but she insists it is true. Which of the following examples could she use to best persuade you?
A. When she cooks, she measures ingredients and puts them together to form something else (e.g., a cake) B. When she drives in her car, she hypothesizes about things (e.g., when the red light will turn green) C. She buys a brand of toothpaste based on statistical data (four out of five dentists recommend it) D. She put some tomatoes in the sun and some in the shade to see if the sun causes them to ripen faster E. All of these are examples of using scientific techniques in her everyday life