The correct response is:
the radioactive decay of uranium to lead.
This method, known as uranium-lead dating, allows scientists to date the age of zircon crystals and helps establish that Earth is at least 4.3 billion years old.
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses
magnetic field surrounding zircon
magnetic field surrounding zircon
the radioactive decay of uranium to lead
the radioactive decay of uranium to lead
the electrical conductivity of uranium ions
the electrical conductivity of uranium ions
chemical reactivity of zircon ions
1 answer