« previous next »

Author Question: Which of the following appears least important in the evolution of life here? A) the magnetic ... (Read 85 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
Which of the following appears least important in the evolution of life here?
 
  A) the magnetic field of the Earth
  B) the correct distance from the Sun
  C) an Earth-like atmosphere
  D) the presence of water and carbon atoms
  E) the stable luminosity of the Sun for billions of years

Question 2

Approximately how long between the evolution of single versus multicellular organisms?
 
  A) 4.5 billion years
  B) two billion years
  C) one billion years
  D) 600 million years
  E) 63 million years


Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Life cycle of Obelia, a colonial cnidarian. Life cycle of Obelia, a colonial cnidarian.
Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Gymnosperm life cycle Gymnosperm life cycle
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
Do atheists have faith in life from non-life? Do atheists have faith in life from non-life?
Video: Exercise and cardiac output

For a complete list of videos, visit our video library