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Changes in the environment result in ____. a. geologic eras c. plate tectonic changes b. physical changes in species d. all of the above
Weegy: physical changes in species. ... the environment. Plate tectonics may affect organic evolution because movement of ... [ eras ____ on the geologic time scale are marked ... ] (More)
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Updated 1/17/2014 1:00:48 PM
1 Answer/Comment
Changes in the environment result in d.all of the above. Source:
Added 1/17/2014 1:00:46 PM
Changes in the trilobite exoskeleton can be attributed to ____. a. changing environments c. inter-species mating b. competition for survival d. both a and b
Weegy: Changes in the trilobite exoskeleton can be attributed to changing environments and competition for survival. Source: (More)
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Expert Answered
Asked 12/22/2013 9:23:42 AM
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Index fossils are used to determine the _________ of the rock. a. age c. color b. makeup d. none of the above
Weegy: Geologic age D) Rock type E) Color. C ... How can fossils be used to determine when in the geologic time scale a sedimentary rock ... [ none of the above choices. a ... ] (More)
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Updated 229 days ago|9/1/2014 2:33:21 PM
1 Answer/Comment
Index fossils are used to determine the age of the rock.
Added 229 days ago|9/1/2014 2:33:20 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by sujaysen [9/1/2014 2:36:20 PM]
what can be used to date fossils in rocks to give an approximate age. a. isotope c. radiocarbon dating b. half - life d. relative dating
Weegy: c. radiocarbon dating can be used to date fossils in rocks to give an approximate age. (More)
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Asked 12/22/2013 11:41:48 AM
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Mineral replacement, carbon film and molds are a few examples of a. fossil formation c. fossil preservation b. fossil index d. ancient enviorments
Weegy: Mineral replacement, carbon film and molds are a few examples of fossil preservation. (More)
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Asked 12/22/2013 11:44:02 AM
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