A(n) _______ Fossil Is a Fossil from a Very Short-Lived

Q5: The relative-dating principle of _ states that

Q6: Our ability to assign an age to

Q7: In radioactive decay a(n) _ emission is

Q8: Isotopes of the same element have different

Q9: _ are subdivisions of eras.<br>A) Ages<br>B) Intervals<br>C)

Q11: _ denotes the vast amount of time

Q12: The _ Era is the Age of

Q13: So far, the oldest mineral found on

Q14: _ is the spontaneous nuclear change of

Q15: The _ includes most of geologic time