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 44 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
:D TYSM

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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?

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?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth. False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
The Distribution of the Earth's Wealth The Distribution of the Earth's Wealth
Processes of Lightning Formation: Charge Separation Processes of Lightning Formation: Charge Separation
Geothermal energy and powers Earth’s systems Geothermal energy and powers Earth’s systems
Layers of Earth Layers of Earth
Ocean cover most of Earth’s surface Ocean cover most of Earth’s surface
Video: Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library