7. The presence of oxygen in the early atmosphere is due to A. Lightning B. Volcanic eruption 8. The following are the sources of oxygen in the atmosphere except .A. Ammonia B. Ozone C. Earthquake D. spłitting of water by ultraviolet radiation C. sulfate D. water
7. The presence of oxygen in the early atmosphere is due to A. Lightning B. Volcanic eruption 8. The following are the sources of oxygen in the atmosphere except .A. Ammonia B. Ozone C. Earthquake D. spłitting of water by ultraviolet radiation C. sulfate D. water
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
can you answer 7 and 8 please answer this?

Transcribed Image Text:that makes that statement correct.
läyers of atmosphere:
Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
1. Where most weather changes occur. B
2, Protects Earth from the meteoroids._C_
3. Has ozone layer that protects Earth from the sun's radiation. A
4. Has ionized
5. Its upper region is the coldest in the atmosphere. c
gas.
Item 6-10. Encircle the correct answer.
6. The gas that exists in the atmosphere in great amount is
A. Oxygen
B. Hydrogen
Cwater vapor
D.carbon dioxide
7. The presence of oxygen in the early atmosphere is due to
A. Lightning
B. Volcanic eruption
8. The following are the sources of oxygen in the atmosphere except
A. Ammonia
B. Ozone
C. Earthquake
D. splitting of water by ultraviolet radiation
C. sulfate
D. water
20
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