Author Question: The Ferghana Valley is divided between Tajikistan, Uzbekistan, and: A) Afghanistan B) Kazakhstan ... (Read 60 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
The Ferghana Valley is divided between Tajikistan, Uzbekistan, and:
 
  A) Afghanistan
  B) Kazakhstan
  C) Kyrgyzstan
  D) China

Question 2

What factors might have caused atmospheric CO2 variations that kept pace with glacial climate fluctuations?
 
  What will be an ideal response?



elizabethrperez

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

C

Answer to Question 2

The magnitude of the biological pump, as controlled by nutrient availability (including Fe) could have led to a positive feedback look on glacial-interglacial timescales. Growth of coral reefs as sea-level rose and flooded the tropical continental shelves during deglaciation would have released CO2 to the atmosphere, furthering the warming and ice-sheet melting.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library