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 93 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
:D TYSM

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Patients with physical special needs, such as a wheelchair, need to have this documented in their he Patients with physical special needs, such as a wheelchair, need to have this documented in their he
Nursing history for nose and sinus assessment Nursing history for nose and sinus assessment
Nursing history for male genetalia assessment Nursing history for male genetalia assessment
Recent history of biochemistry shown by the introduction of new techniques. (part 1) Recent history of biochemistry shown by the introduction of new techniques. (part 1)
History History
History History
Video: Rh blood type and complications during pregnancy & Fertilization

For a complete list of videos, visit our video library