« previous next »

Author Question: The eccentricity of Earth's orbit A) has been increasing. B) changes cyclically on several ... (Read 48 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
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
« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Earth Latitude Tilt Earth Latitude Tilt
Temperature Profile of Earth’s Atmosphere Temperature Profile of Earth’s Atmosphere
Rivers on Mars and Earth Rivers on Mars and Earth
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Geothermal energy and powers Earth’s systems Geothermal energy and powers Earth’s systems
Energy in a Circular Orbit Energy in a Circular Orbit
Video: Arthritis

For a complete list of videos, visit our video library