Which one of the following is NOT a fossil?
a) an insect trapped in amber 20 million years ago
b) a frozen mammoth preserved in a glacier in Siberia that died in the last ice age 1 million years ago
c) dinosaur footprints in a sandstone layer
d) an Egyptian death mask dating back to 4000 years
e) all of the above are fossils by definition
Answer: d) an Egyptian death mask dating back to 4000 years
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Describe where a cutoff meander developed in the past (describe the location relative to labeled places on the map).
The following questions are based on Map T-7, the “Canyonlands National Park, Utah” topographic map (scale 1:62,500; contour interval 80 feet), Figures 32-3 and 42-2, stereograms of this region, and Figure 42-1a, an oblique aerial photograph of this area. The map, stereograms, and photograph show the deeply entrenched meanders of the Green River north of Canyonlands National Park, Utah (38°33'40"N, 110°03'16"W). What will be an ideal response?
When chlorofluorocarbons (CFCs) are subjected to sunlight, they release ________, in turn leading to the destruction of ozone molecules
A) chlorine B) hydrogen C) nitrogen D) carbon E) carbon dioxide
Gyres are the ________ patterns found in major oceans
A) Circular B) East-West C) North-South D) Deep water E) Northbound
Ethnic minorities are first and foremost associated with homelands. This is true of which of the following?
A. Welsh B. Bretons C. Basques D. All of these