What are quick clays, and how do they cause damage? What will be an ideal response?
Quick clays are clays that spontaneously liquefy and flow. These fine sediments were originally
deposited in a marine environment where their pore spaces were filled with seawater. The ions helped
establish strong bonds between clay particles, and clays were strengthened. When the clays were
uplifted above sea level and groundwater replaced salt water, the effectiveness of the ionic bonds
between the particles was reduced and so was the strength of the clay. A shock can then turn the clay
to liquid, which can flow
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Examine the cross section through a hypothetical ocean basin. Use the magnetic time scale at left to determine when continents A and B separated from one another. Justify your answer
What will be an ideal response?
Wet haze restricts visibility more than dry haze
a. True b. False
How does the process and rate seafloor spreading affect sea level?
What will be an ideal response?
The hardwood broadleaf deciduous trees around the world are ________
The hardwood broadleaf de A) eucalyptus B) angiosperms C) gymnosperms D) acacias E) pines