Author Question: The recent alternative explanation for the disappearance of Earth's early atmosphere sees this as ... (Read 26 times)

abc

  • Hero Member
  • *****
  • Posts: 543
The recent alternative explanation for the disappearance of Earth's early atmosphere sees this as the primary causative agent:
 
  A) volcanic outgassing.
  B) collisions of Earth with other large bodies.
  C) periodic energy pulses from the surface of the Sun.
  D) gravitational attraction of the Moon.

Question 2

This was probably the predominant gas in Earth's earliest atmosphere:
 
  A) argon.
  B) hydrogen.
  C) water vapor.
  D) nitrogen.



zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library