This topic contains a solution. Click here to go to the answer

Author Question: In which of the following eons do we live? a. Phanerozoic b. Hadean c. Proterozoic d. ... (Read 83 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
In which of the following eons do we live?
 a. Phanerozoic
  b. Hadean
  c. Proterozoic
  d. Archean

Question 2

Geologists have principally used which class of rocks for radiometric dating?
 a. Sedimentary
  b. Igneous
  c. Foliated
  d. Metamorphic



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jmfn03

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

a

Answer to Question 2

b




AEWBW

  • Member
  • Posts: 579
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library