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

Author Question: Oxygen first began to accumulate in Earth's atmosphere as a result of ____. A) biosynthesis B) ... (Read 60 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Aug 22, 2018
Oxygen first began to accumulate in Earth's atmosphere as a result of ____.
 A) biosynthesis
  B) cellular respiration
  C) methane synthesis
  D) photosynthesis

Question 2

The amount of heat generated does not always indicate a higher temperature.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Aug 22, 2018
Answer to Question 1

D

Answer to Question 2

True


SAVANNAHHOOPER23

  • Member
  • Posts: 542
Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
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.
Distance from Earth to Sun schematic Distance from Earth to Sun schematic
Gases in the Atmosphere Gases in the Atmosphere
The OBD-II catalytic converter monitor compares the signals of the upstream and downstream oxygen ... The OBD-II catalytic converter monitor compares the signals of the upstream and downstream oxygen ...
Geothermal energy and powers Earth’s systems Geothermal energy and powers Earth’s systems
Video: Ear Animation

For a complete list of videos, visit our video library