Which gauge indicates the total number of miles your car has been driven since it was manufactured?

a. the speedometer
b. the tachometer
c. the odometer
d. the fuel gauge

Which of the following is true about fossils? a. the relative age of fossils cannot be determined from their position in sedimentary layers. b. fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. d. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

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What is the earth matial ot igneous rock