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

Author Question: What is the significance of large percentage of oxygen in Earth's atmosphere? What will be an ... (Read 19 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
What is the significance of large percentage of oxygen in Earth's atmosphere?
 
  What will be an ideal response?

Question 2

The concept that on the grandest of scales, the universe is similar in appearance everywhere is
 
  A) isotropy.
  B) special relativity.
  C) universality.
  D) homogeneity.
  E) general relativity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

According to the way we believe the atmosphere evolved, the oxygen is an indication that life is present.

Answer to Question 2

D




skymedlock

  • Member
  • Posts: 561
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

For a complete list of videos, visit our video library