menu
Sign up

Absolute Dating Uses ________ to Estimate How Old a Fossil

Question 7
Multiple Choice

Absolute dating uses ________ to estimate how old a fossil is. A) depth within rock layers B) radioactive isotopes C) a molecular clock D) structural features E) embryonic structures

Related questions
Q 8
If an isotope's half-life is 100 years,then A) that isotope will no longer exist in 50 years. B) that isotope will no longer exist in 200 years. C) in 50 years only half of the atoms in a sample of that isotope will remain. D) in 100 years only half of the atoms in a sample of that isotope will remain. E) in 200 years only half of the atoms in a sample of that isotope will remain
Q 9
Carbon-14 is useful in determining the age of a fossil up to about ________ years ago. A) 40,000 B) 10,000 C) 20,000 D) 50,000 E) 100,000
Q 10
Potassium-40 is useful in determining the age of a fossil in samples A) less than 25,000 years of age. B) of 40,000 to 50,000 years of age. C) 300,000 years of age and older. D) aged between 50,000 and 100,000 years of age. E) aged between 100,000 years and 250,000 years.
logo
© 2020-2021 Cozyplus FZ LLC. All rights reserved