Why is the thawing of permafrost in the Arctic of special concern?
A) As permafrost thaws, it will contribute to global sea level rise.
B) Wet peatland forests will be further drained and logged as the conditions are conducive for such activity.
C) Most permafrost is in the Southern Hemisphere where the thawing is contributing to a decline in global biodiversity.
D) Permafrost thawing releases massive amounts of methane into the atmosphere, which could further amplify warming.
E) Thawing permafrost will lead to increased solifluction.
D
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Alfred Wegener's continental drift hypothesis received much hostile criticism and ridicule from the scientific community because of which of the following?
A) His correlation of fossils was false; they were different species. B) The mechanism he proposed for the movement of the continents. C) There is no evidence of past glacial activity in areas that are now tropical. D) There was no correlation of rocks found in adjacent positions on matching continents
Tectonic plates can slide and grind past each other at a(n)
a. ocean ridge b. convection cell c. transform fault d. subduction zone e. seam fault
Describe the general topography in the region north of Poor Valley Ridge.
The question is based on Map T-6, the “Johnson City, Tennessee-Virginia-Kentucky- North Carolina” topographic map (scale 1:250,000; contour interval 100 feet). This map shows a portion of the Appalachian Mountains at the Tennessee, Kentucky, and Virginia border 136°39'30"N, 83°01'05"W). Figure 41-4 is a satellite image of this same region (to view this image, scan the QR code for this exercise or go to the Hess Laboratory Manual website and Exercise 41). What will be an ideal response?
Which of the following best matches the description?A typical public reaction by people who will live near a proposed landfill, incinerator site, or other industrial project.
A. source reduction B. mulch C. forced consumption D. municipal landfill E. municipal solid waste F. incineration G. recycling H. disposable I. NIMBY J. mass burn