Czech Republic and Slovakia
<span>Factors contributing to the west ward expansion of the United States include the discovery of gold, the Homestead Act, and the desire for adventure, land and riches. The answers are the third, fourth and fifth statements among the choices that you have included or posted.</span>
Answer:
Radiometric dating would not be accurate because the sedimentary rock is made up of so many older rock particles. Geologists have developed an indirect method of dating sedimentary rocks. To determine the age of sedimentary rock, geologists must relate the sedimentary rock to datable masses of igneous rock.
Explanation:
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