Radiocarbon dating is an important archaeological tool. For radiocarbon dating to work, the object being tested must . 1. be at least 10,000 years old
2.have been made out of rock
3.have gold as an element
4.have been alive at one time

Need it now explain gorbachev’s policy of glasnost. how did this policy change the soviet union?

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.

All of the following cities are located in china except