« previous next »

Author Question: Due to rock cycle processes, finding old rocks by radioactive methods is difficult. What is the age ... (Read 146 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?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Urea cycle Urea cycle
The life cycle of Dictyostelium The life cycle of Dictyostelium
A schematic diagram of the functional cycle of the Na+–K+ pump A schematic diagram of the functional cycle of the Na+–K+ pump
Finding derivatives of Trig Functions - pt 2 Finding derivatives of Trig Functions - pt 2
finding the resultant force finding the resultant force
finding the resultant force finding the resultant force
Video: Male Reproductive System - The gonadotropin releasing hormone

For a complete list of videos, visit our video library