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

Author Question: A rock that is 400 million years old comes from the ________ Period. A) Paleozoic B) ... (Read 54 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
on: Jul 16, 2018
A rock that is 400 million years old comes from the ________ Period.
 
  A) Paleozoic
  B) Phanerozoic
  C) Precambrian
  D) Silurian

Question 2

A rock that is 200 million years old comes from the ________ Era.
 
  A) Cenozoic
  B) Mesozoic
  C) Paleozoic
  D) Jurassic/Triassic


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


appyboo

  • Member
  • Posts: 527
Reply 2 on: Jul 16, 2018
Excellent

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

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

(a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b) (a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b)
World Population Growth, Past 10,000 years World Population Growth, Past 10,000 years
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library