Multiple Choice
Why were geologists able to switch from determining relative age of geologic events to determining the numerical age?
A) New fossils were discovered.
B) Radioactivity was discovered.
C) New geologic units were discovered.
D) Numerical age dating became more widely accepted.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Dendrochonology involves dating of historic and geologic
Q12: When an unstable isotope decays,the daughter isotope
Q26: Basaltic clasts within the conglomerate have been
Q27: Why don't we find rocks with ages
Q29: Period names on the geologic time scale,such
Q32: If all of Earth history were compressed
Q32: In an undisturbed sequence of sedimentary rocks,younger
Q33: The basalt body is best described as
Q34: Concerning the relative ages of the shale
Q35: Buried erosional surfaces between parallel sedimentary strata