Describe any visible differences in the amount of ice in the zones of accumulation and wastage in 1983 relative to 1955
What will be an ideal response?
The toe of the glacier has receded considerably between 1955 and 1983, indicating loss of ice from the zone of wastage. Within the zone of accumulation, about the same amount of rock is exposed along the glacier edges in the background of both photos, which suggests little if any change in the zone of accumulation.
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At what altitude did the parcel become unstable? Draw a horizontal line to indicate that altitude and label unstable above that line and stable below it.
Sequences of deep-sea sediments, oceanic crust, and upper mantle rocks on land—called ophiolites—indicate the
presence of an old convergent boundary. a. True b. False
Why is drainage control sometimes an effective method of landslide control?
A) it reduces the amount of water in the hillslope materials B) it reduces the growth of vegetation C) it reduces the thickness of the slide mass D) it reduces the permeability of the rocks
The United States leads the world in per capita carbon dioxide (CO2 ) emissions
Indicate whether the statement is true or false