Author Question: Ice core data from Greenland reveal that rapid shifts in climate (from ice age conditions to a much ... (Read 78 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
Ice core data from Greenland reveal that rapid shifts in climate (from ice age conditions to a much warmer state) took place in as little as ____ over central Greenland around the end of the Younger Dryas.
   a. a century
   b. a decade
   c. a year
   d. a thousand years
   e. four thousand years

Question 2

The continental ice sheets over North America disappeared ____.
   a. between about 9,000 and 6,000 years ago
   b. approximately 14,700 years ago
   c. about 2.5 million years ago
   d. between about 5,000 and 4,000 years ago
   e. about 1300 years ago



ApricotDream

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

For a complete list of videos, visit our video library