Explain the differences between the magnitude and the intensity of an earthquake, in terms of cause
and effect. What will be an ideal response?
Magnitude is a measure of the cause of the earthquake (the energy released), while intensity is a
measure of the effect (damage) produced by the earthquake.
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Which statement least characterizes laboratory research?
a. It allows measurement of model ecosystems and populations under controlled conditions. b. It is faster than similar field research. c. It is less costly than similar field research. d. It has been used to develop most of our knowledge about ecosystems. e. It has supplemented field research since the 1960's.
Different estimates of earthquake magnitude are derived from different methods based on local shaking (Richter scale), body waves (mb), surface waves (MS), or seismic moment (MW).
Answer the following statement true (T) or false (F)
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
The extremely low surface temperatures in the Antarctic in July (the Southern Hemisphere's winter) clearly demonstrate the principle of ________
A) adiabatic cooling B) latitudinal differentiation C) greater cooling of land than water D) lapse rates E) aphelion