Author Question: Geologists have principally used which class of rocks to establish the relative time scale? a. ... (Read 70 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
Geologists have principally used which class of rocks to establish the relative time scale?
 a. Igneous
  b. Foliated
  c. Metamorphic
  d. Sedimentary

Question 2

Geologists think that Earth is how old?
 a. 4560 billion years
  b. 45.6 thousand years
  c. 45.6 million years
  d. 4.56 billion years



dawsa925

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

d

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library