« previous next »

Author Question: The recent alternative explanation for the disappearance of Earth's early atmosphere sees this as ... (Read 36 times)

abc

  • Hero Member
  • *****
  • Posts: 543
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
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
« previous next »
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Early divisions in the animal phylogeny. Early divisions in the animal phylogeny.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
Distance from Earth to Sun schematic Distance from Earth to Sun schematic
Heating the Atmosphere Heating the Atmosphere
Foundations of Earth Science, 7th Edition Foundations of Earth Science, 7th Edition
Literacy Development in the Early Years: Helping Children Read and Write Literacy Development in the Early Years: Helping Children Read and Write
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library