Hello there!
Your question: Which of the earth's spheres includes its mantle core and crust?
Your answer: The geosphere includes its mantle, core and crust.
Happy Studying!
Each era is subdivided into a number of periods. The periods of the Cenozoic, the present era, are further divided into epochs. Many divisions of the geologic time scale are based on events in Earth's geologic history. Some divisions are based entirely on the fossil record.
Answer:
Ukraine
Background. On April 26, 1986, a sudden surge of power during a reactor systems test destroyed Unit 4 of the nuclear power station at Chernobyl, Ukraine, in the former Soviet Union
I believe that the answer is C
