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

Author Question: True or False: Oxygen most likely accumulated in the atmosphere very gradually after the appearance ... (Read 120 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Jul 16, 2018
True or False: Oxygen most likely accumulated in the atmosphere very gradually after the appearance of photosynthetic organisms, which consume carbon dioxide while manufacturing oxygen.
 
  Indicate whether this statement is true or false.

Question 2

Evidence that scientists would not utilize to study Earth's formation is
 
  A) Moon rocks.
  B) core samples.
  C) meteorite rocks.
  D) data from other planets.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sierrahalpin

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: B


ec501234

  • Hero Member
  • *****
  • Posts: 573
Reply #2 on: Jul 16, 2018
TY


sierrahalpin

  • Sr. Member
  • ****
  • Posts: 329
Reply #3 on: Jul 16, 2018
Happy to Help


« previous next »
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Thymus gland. (A) Appearance and position; (B) with anatomic structures. Thymus gland. (A) Appearance and position; (B) with anatomic structures.
The Changing Appearance of Venus The Changing Appearance of Venus
When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV. When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV.
Due to compressibility, atmospheric mass gradually “thins out” with height. Due to compressibility, atmospheric mass gradually “thins out” with height.
Dissolved oxygen at The Gulf of Mexico’s “Dead Zone” Dissolved oxygen at The Gulf of Mexico’s “Dead Zone”
Exchange of Oxygen and Carbon Dioxide Exchange of Oxygen and Carbon Dioxide
Video: Inflammation and Fever

For a complete list of videos, visit our video library