Author Question: A rock that is 2,000 million years old comes from the ________ Era. A) Phanerozoic B) Paleozoic ... (Read 65 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
A rock that is 2,000 million years old comes from the ________ Era.
 
  A) Phanerozoic
  B) Paleozoic
  C) Proterozoic
  D) Paleoproterozoic

Question 2

A rock that is 50 million years old comes from the ________ Period.
 
  A) Phanerozoic
  B) Cenozoic
  C) Paleogene
  D) Eocene



jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

For a complete list of videos, visit our video library