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 79 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

LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Formation and origins of myelin sheaths. Formation and origins of myelin sheaths.
Jet streams and Earth’s heat budget Jet streams and Earth’s heat budget
Geothermal energy and powers Earth’s systems Geothermal energy and powers Earth’s systems
Distribution of Earth's Water Distribution of Earth's Water
Earth’s Spheres Earth’s Spheres
Formation of Desert Pavement Formation of Desert Pavement
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library