![subject](/tpl/images/cats/biologiya.png)
Iron rich deposits that formed about 2 billion years ago have red layers. Layers formed before then were not red. The red layers formed when oxygen made during photosynthesis reacted with iron molecules in the ocean. The oxidized iron formed layers of sedimentary rock
. Which BEST summarizes this phenomenon?
A. The lithosphere changed the atmosphere. B. The hydrosphere change the atmosphere.
C. The atmosphere change the biosphere.
D. The biosphere change the lithosphere
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:00
In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:30
What is the phylum of soft bodied animals with a true bosy cavity and a three part body consisting of a foot visceral mass and a mantle
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 22:30
How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 03:50
According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out
Answers: 2
You know the right answer?
Iron rich deposits that formed about 2 billion years ago have red layers. Layers formed before then...
Questions
![question](/tpl/images/cats/ekonomika.png)
Business, 15.02.2021 21:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 15.02.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 21:20
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 21:20
![question](/tpl/images/cats/istoriya.png)
History, 15.02.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 15.02.2021 21:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 15.02.2021 21:20