Early in the Earth's history there was little to no oxygen into atmosphere. How did oxygen levels in the atmosphere reach current levels?
A) Volcanoes released oxygen from within the Earth.
B) The Earth captured oxygen from space with its gravity.
C) Water molecules on the Earth were broken to release oxygen.
Eliminate
D) Early bacteria and plants released oxygen through photosynthesis.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Early in the Earth's history there was little to no oxygen into atmosphere. How did oxygen levels in the atmosphere reach current levels? ...” in 📘 Geography if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
How many major river systems does mississippi have?
Answers (1)
Latitude is the distance in degrees north and south of the ... blank ..., and longitude is the distance in degrees east and west of the ... blank ... A. Poles, prime meridian B. Prime meridian, equator C. Equator, poles D. Equator, prime meridian
Answers (1)
Which of the following provides the best characterization of China's strategy in the 1990s to integrate Tibet (Xizang) into the Chinese realm?
Answers (1)
Why is iron significant to understanding how a supernova occurs? Iron is the heaviest of all atomic nuclei, and thus no heavier elements can be made. The fusion of iron into uranium is the reaction that drives a supernova explosion.
Answers (1)
What forms when a volcano collapses on itself?
Answers (1)
New Questions in Geography
What do you often find in sedimatary rocks?
Answers (1)
Changes to the earth that can be explained by plate tectonics include all the following except ___ Earthquakes, erosion, mountain ranges, volcanoes
Answers (1)
Iron: A. is forming today in the Great Lakes region as banded-iron formations (BIFs). B. is stronger and weighs less than aluminum. C. was the first of the common metals (iron, aluminum, and copper) to be used by humankind. D.
Answers (1)
Glacier store about 70% of the worlds freshwater true or false
Answers (1)
What economic system would promote people buying more products and technology?
Answers (1)