Author Question: The isotopic record have peaks and troughs with a wavelength of all of the following except A) ... (Read 19 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
The isotopic record have peaks and troughs with a wavelength of all of the following except
 
  A) 12,000 years.
  B) 23,000 years.
  C) 41,000 years.
  D) 100,000 years.

Question 2

The wobble in Earth's rotational axis undergoes a periodic variation every
 
  A) 12,000 years.
  B) 23,000 years.
  C) 41,000 years.
  D) 100,000 years.



juliaf

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

juliaf

  • Sr. Member
  • ****
  • Posts: 344

 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library