#Question id: 4956
#SCPH28 | Zoology
Which measurement would help determine absolute dates by radiometric means?
#Question id: 4957
#SCPH06 I Botany
How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
#Question id: 4957
#SCPH28 | Zoology
How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
#Question id: 4958
#SCPH06 I Botany
What is true of the fossil record of mammalian origins?
#Question id: 4958
#SCPH28 | Zoology
What is true of the fossil record of mammalian origins?
#Question id: 4959
#SCPH06 I Botany
If a fossil is encased in a stratum of sedimentary rock without any strata of igneous rock (e.g., lava, volcanic ash) nearby, then it should be