What is the geologic time scale based on today? What will be an ideal response?
The original geologic time scale was a relative scale based on rock sequences. Now radiometric dating
has allowed absolute ages to be added.
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We can reduce the amount of CO2 released into the atmosphere by driving our cars less. What would be the reduction in pounds of CO2 released into the atmosphere by a car that is driven 10,000 miles per year instead of 12,000 miles per year?
What will be an ideal response?
The consumption of resources in the United States matchest their production.
Answer the following statement true (T) or false (F)
The Great Biodiversification Event occurred during the ____
a. Ordovician b. Silurian c. Devonian
d. Mississippian e. Permian
Geologists resolved the apparent polar wandering paradox by concluding that
a. each continent had its own magnetic pole during successive geological periods. b. the magnetic poles for each continent had moved over geological time. c. the magnetic poles have remained in one location and each of the continents has moved. d. both the poles and the continents have moved over time. e. none of the above