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

Author Question: The Earth is estimated to be approximately __________ years old. a. 45 million b. 65 million c. ... (Read 161 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jul 10, 2018
The Earth is estimated to be approximately __________ years old.
 
  a. 45 million
  b. 65 million
  c. 4.5 billion
  d. 6.5 billion

Question 2

The geologic time scale is divided into which two eons?
 
  a. Precambrian and Cenozoic
  b. Archaean and Phanerozoic
  c. Precambrian and Phanerozoic
  c. Mesozoic and Cenozoic


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mollythedog

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 10, 2018
Answer to Question 1

Correct Answer: c

Answer to Question 2

Correct Answer: c


strangeaffliction

  • Member
  • Posts: 660
Reply 2 on: Jul 10, 2018
Great answer, keep it coming :)

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Measurements of solar cycle variation during the last 30 years Measurements of solar cycle variation during the last 30 years
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his
Earth’s Heat Budget Earth’s Heat Budget
Precession: Earth’s axis rotates, or “wobbles” Precession: Earth’s axis rotates, or “wobbles”
How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library