Dr. Alexander Winemann is a Biologist who specializes in organic chemistry.
Diploid. There has to be 2 existing cells already, in order for it to split into 4
Answer:
The stratification of Earth into its geologic layers was brought about by the formation of the Earth's iron core. The iron core was generated by a combination of radioactive decay and gravitation, which raised the temperature enough for molten iron to form.
Explanation: