This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What had the most influence in irreversibly changing Earth's atmosphere? a. Formation of carbonic ... (Read 83 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Aug 22, 2018

What had the most influence in irreversibly changing Earth's atmosphere?
  a. Formation of carbonic acid in the ocean
  b. Production of oxygen from photosynthesis
  c. Chemical breakup of water vapor by sunlight
  d. Fluctuation in the atmospheric composition
  e. Anaerobic respiration by deep-sea organisms



Question 2

Which condition of early Earth contributed to biosynthesis?
  a. oxygen-depleted atmosphere
  b. ozone in the upper atmosphere
  c. oxygen in the atmosphere
  d. extreme high temperatures
  e. aerobic conditions



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kusterl

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Aug 22, 2018
Answer to Question 1

b

Answer to Question 2

a


Capo

  • Member
  • Posts: 545
Reply 2 on: Aug 22, 2018
Excellent

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Earth Affects People; People Change Earth Earth Affects People; People Change Earth
Farming Practices Influence Runoff and Sedimentation Farming Practices Influence Runoff and Sedimentation
Permanent Gases of the Atmosphere Permanent Gases of the Atmosphere
Weather maps: Pictures of the atmosphere Weather maps: Pictures of the atmosphere
Changing Patterns of Climate:Hurricanes Changing Patterns of Climate:Hurricanes
Early Earth Early Earth
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library