Author Question: The eccentricity of Earth's orbit A) has been increasing. B) changes cyclically on several ... (Read 25 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
The eccentricity of Earth's orbit
 
  A) has been increasing.
  B) changes cyclically on several scales.
  C) is currently zero, meaning Earth has a circular orbit.
  D) varies between 3 and 8 percent.

Question 2

Should Earth be considered a warm planet or a cold planet? Explain your response.
 
  What will be an ideal response?



joneynes

  • Sr. Member
  • ****
  • Posts: 376
Answer to Question 1

Answer: B

Answer to Question 2

Answer: Earth is most accurately described as a warm planet punctuated by multiple relatively brief ice ages. Warm episodes last for hundreds of millions of years to a few billion years, whereas cold episodes last for tens to hundreds of millions of years.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

For a complete list of videos, visit our video library