The current California requirement is that high-rise structures must be built to withstand about 0.4 g
ground acceleration, and single family dwellings must be built to withstand about 0.15 g ground
acceleration. Would that standard have protected structures in Northridge in 1994? Why or why not? What will be an ideal response?
Probably not. Record ground accelerations were experienced during the Northridge earthquake that
exceeded the standard by many orders of magnitude. Recorded ground accelerations were as high as
1.8 g. The Uniform Building Code may have to be reconsidered in light of this.
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American scientific opinion about Wegener's theory was very negative because of very different views on _____ compared to those in Europe.
A ) conceptual frameworks B ) paleogeology C ) the scientific method D ) research funding
Asia is classified as a supercontinent because it contains more land area than any other continent
a. True b. False
Earth's axial tilt varies from 21.5° to 24.5° during a 41,000 year period
Indicate whether the statement is true or false
By the time lobe-finned fish developed their bony fins, they were already living on land. Indicate whether the statement is true or false