The continental crust is
-composed mostly of basalt
-made of rock 50 million years old
-less than 10 km thick
-formed from slowly cooled lava

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.

11. plate divergence is best described as a/an process. a. orogenic b. epeirogenic c. isostatic d. taphrogenic

Which of the following planets is classified as a terrestrial planet? a. neptune b. venus c. saturn d. jupiter