This topic contains a solution. Click here to go to the answer

Author Question: Development of Earth's early oceans was likely due to A) water-rich meteors bombarding Earth's ... (Read 117 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
Development of Earth's early oceans was likely due to
 
  A) water-rich meteors bombarding Earth's surface.
  B) volcanic outgassing in Precambrian time.
  C) intense convection in the mantle, and severe heat dissipation from Earth's interior.
  D) cooler temperatures that promoted the condensation of water vapor in the atmosphere.

Question 2

The banded iron formations began to form when
 
  A) carbon dioxide dissolved in seawater.
  B) varying oxygen levels allowed the precipitation of alternating layers of iron oxide.
  C) oxide minerals were deposited on the ocean bottom.
  D) iron from lava flows settled into layered formations.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dnite

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B





 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

For a complete list of videos, visit our video library