What is an analemma used for?
a. plotting the movement of Earth around the Sun
b. determining the amount of incoming solar radiation
c. estimating the circumference of Earth
d. showing the declination of the Sun throughout the year
e. estimating the curvature of the Earth
d
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The spill of cyanide into the Tisza and Danube Rivers in 2000 could have been prevented if
a. the computer systems monitoring the cyanide volume had not crashed b. fewer people had withdrawn water from the rivers so the overall flow rate was lower c. an earthquake warning system had been in place to warn dam managers of the impending quake that broke the dam d. the mining company had installed a stronger containment dam and a backup settling pond to prevent leakage e. a newer, more technologically sound settling pond had been in place
How deep is the gorge of the Green River? Use the top of the land inside “Bowknot Bend” as your upper reference point (determine the relief, not the elevation).
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?
Which number on this figure indicates heating by conduction?
A. 1, direct contact between the burner and the pan B. 2, heating by thermal radiation through the air C. 3, heated water expands and rises to the top of the pan and then cools and flows back down D. 4, moving a pan of water away from the stove
What costs are associated with transactions that can result in damage to the environment, human health, and property?
a. traditional market costs b. internal costs c. external costs d. tangential costs