A glaciers budget is balanced when ____
A)additions to the zone of accumulation equal losses in the zone of wastage
B)losses in the zone of accumulation equal additions to the zone of wastage
C)the zone of accumulation receives more input than the zone of wastage
D)the zone of wastage does not lose material
E)the firn limit moves down in the summer and up in the winter
A
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Detrital zircon from sedimentary rocks found in Australia yields an age of 4.4 billion years, which indicates that rocks
formed on Earth at least 4.4 billion years ago. a. True b. False
Which assumption did the Cape Cod water flow velocity experiment rely upon?
A) Water flows toward the discharge site. B) Water flows to areas of decreased elevation. C) Water flows to areas of decreased pressure. D) Water flows to rock with more open pores.
Systems analysis involves defining a system, breaking the system down into its components, and examining how the components interact with one another
a. True b. False Indicate whether the statement is true or false
In relation to plate tectonics, what is a major overall trend in earthquakes?
a) Earthquakes can occur at all types of plate boundaries. b) Earthquakes are not related to plate tectonics. c) Earthquakes occur only when plates are moving very quickly at certain times of the year. d) Earthquakes are related to volcanoes rather than plate tectonics.