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

Author Question: One important reason we do not know much about the geologic history of the Precambrian is that ________. (Read 151 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
on: Feb 28, 2020
One important reason we do not know much about the geologic history of the Precambrian is that ________.
◦ radioactivity was not measurable during the Precambrian
◦ the climate was so harsh that erosion removed most of the rocks that formed during the Precambrian
◦ we have not yet been able to establish the half-lives for radioactive elements that existed in the Precambrian
◦ there are very few fossils preserved in Precambrian rocks
◦ rocks did not exist during much of that time
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 imowrer on Feb 28, 2020

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
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 59% of students answer this correctly


imowrer

  • Member
  • Posts: 514
Reply 2 on: Feb 28, 2020
YES! Correct, THANKS for helping me on my review

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Dentition of a collared peccary, as illustrated in Knight's Sketches in Natural History Dentition of a collared peccary, as illustrated in Knight's Sketches in Natural History
ABO Blood Reactions Are Important in Transfusions ABO Blood Reactions Are Important in Transfusions
The nurse needs to note the source of the patient health history The nurse needs to note the source of the patient health history
7 month history of gradual, painless swelling and redness of both eyes 7 month history of gradual, painless swelling and redness of both eyes
William Kentridge, History of the Main Complaint. William Kentridge, History of the Main Complaint.
Important Land Ecoregions Important Land Ecoregions
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library