Ice is lost from a glacier by a set of processes called
A. accumulation.
B. melting.
C. loss.
D. ablation.
Answer: D
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Short-term climatic changes may be caused by ____
a. orbital eccentricity b. axial tilt c. precession of the equinoxes d. volcanic activity e. a combination of orbital eccentricity and axial tilt
There are many different strategies for reducing anthropogenic emissions of carbon. Determine whether the given strategy is an example of 1) energy efficiency and conservation; 2) a change in energy source; 3) a change in transportation energy source; or 4) an increase in natural carbon sinks.Bill decides to go "off the grid," installing photovoltaic (PV) cells on the roof of his house to generate his own electricity instead of relying upon the energy generated by the local coal power plant.
A. Energy efficiency and conservation B. Change in energy source C. Change in transportation energy source D. Increase in natural carbon sinks E. This is not a strategy to reduce carbon emissions
Which way are the plates moving in this figure?
A. horizontally sliding by one another B. away from each other C. toward each other at an angle D. directly toward each other E. There is no way to tell.
Soil material is actually small bits of rocks and composed of ________
A) humus B) loam C) silica D) hydrogen E) air