This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: After three half-lives, ________ of an original radioactive parent isotope remains. (Read 38 times)

cherise1989

  • Hero Member
  • *****
  • Posts: 555
on: Feb 28, 2020

Question 1

________ dating based on radioactivity are very important for studying Precambrian geologic history because ________ in such strata.
◦ Relative; fossils are abundant
◦ Absolute; fossils are abundant
◦ Absolute; fossils are rare
◦ Relative; fossils are rare

Question 2

After three half-lives, ________ of an original radioactive parent isotope remains.
◦ 1/5
◦ 1/3
◦ 1/2
◦ 1/7
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by cherise1989 on Feb 28, 2020

AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


cherise1989

  • Member
  • Posts: 555
Reply 2 on: Feb 28, 2020
Excellent

duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

The Calvin Cycle Was Determined by Isotope Labelling Methods The Calvin Cycle Was Determined by Isotope Labelling Methods
Fossilized Remains of Former Life Fossilized Remains of Former Life
American Lives: Davy Crockett American Lives: Davy Crockett
How reciprocal functions compare to the parent function How reciprocal functions compare to the parent function
Given the parent function f(x)=log10(bottom exponent)x, state the equation of the function that Given the parent function f(x)=log10(bottom exponent)x, state the equation of the function that
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Eczema

For a complete list of videos, visit our video library