« previous next »

Author Question: Which of the following appears least important in the evolution of life here? A) the magnetic ... (Read 40 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?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Salt glands as an adaptation for marine life. Salt glands as an adaptation for marine life.
The Many Faces of Life (Part 1) The Many Faces of Life (Part 1)
The Sun as it appears from the surface of Earth before sunset. The Sun as it appears from the surface of Earth before sunset.
RNA Virus Life Cycle RNA Virus Life Cycle
Grace Ndiritu, Still Life: White Textiles. Grace Ndiritu, Still Life: White Textiles.
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Video: Febrile Seizure

For a complete list of videos, visit our video library