The most dense objects known are black holes
Indicate whether the statement is true or false
TRUE
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Vegetation mitigates tsunami effects except when ____
a. ?it is the form of trees, not grasses and shrubs b. ?trees become uprooted and become dangerous projectiles c. ?the vegetation is too close to the shore d. ?it is in the form of grasses, not trees and shrubs e. ?trees are not present
What element is behaves as the oxidizing agent in the following equation and what element behaves as the reducing agent? Sn2+ + 2 Ag ? Sn + 2 Ag?
A. The tin ion, Sn2+, is the oxidizing agent, while silver, Ag, is the reducing agent. B. The tin, Sn, is the reducing agent, while silver ion, Ag?, is the oxidizing agent. C. The tin ion, Sn2+, is the reducing agent, while silver, Ag, is the oxidizing agent. D. The tin, Sn, is the oxidizing agent, while silver ion, Ag?, is the reducing agent.
Which letter in this classification table indicates the position of gabbro?
A. A B. B C. C D. D E. E
After reviewing Figures 25.1 and 25.2, answer the following questions about Figure 25.5:
Figure 25.4 shows a contour map of a hypothetical landscape that has been shaped by alpine glaciation. As glaciers carved their way down preexisting V-shaped stream valleys, they widened the valleys into U-shaped valleys separated by sharp ridges. Hanging valleys/troughs left stranded above the main valley floor will be occupied by streams that form picturesque waterfalls as they plunge over the steep edge. Glaciers may scour out the bedrock of the valley floor, leaving depressions that, as the glacier retreats and a stream reoccupies the valley, subsequently fill with water, forming glacial lakes called tarns. Steep-walled cirques mark the origin of the glaciers high on the mountain slope. Keep this contours map, along with the Mount Darwin topo map and aerial imagery, in mind when analyzing the topographic map of Mount Rainier. a) If you wanted to go swimming in a tarn, which letters would you look for? b) If you were a rock climber and wanted to scale the steep sides of the valley, which letters would you look for? c) Which letters indicate the location of a pass on the ridge between two valleys? d) If you wanted to climb the horn created by three glaciers, which letter would you look for? e) What is the elevation of the peak?