« previous next »

Author Question: Due to rock cycle processes, finding old rocks by radioactive methods is difficult. What is the age ... (Read 165 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Jul 16, 2018
Due to rock cycle processes, finding old rocks by radioactive methods is difficult. What is the age of the oldest single rock found on Earth to date?
 
  A) more than 2 billion years
  B) more than 2.5 billion years
  C) more than 3 billion years
  D) more than 4 billion years

Question 2

Revisions of the absolute ages of the geologic time-scale boundaries exposes flaws inherent to the geologic time-scale.
 
  Indicate whether this statement is true or false.


amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

An overview of the two stages of photosynthesis: light reactions and the Calvin cycle An overview of the two stages of photosynthesis: light reactions and the Calvin cycle
Ascomycetes Life Cycle Ascomycetes Life Cycle
Cell cycle Cell cycle
Calvin cycle Calvin cycle
HLA genotyping by 2 different methods. HLA genotyping by 2 different methods.
Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library