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kari74 [83]
3 years ago
15

Many factors are thought to have contributed to the formation of the Earth's atmosphere. Choose ALL that apply.E) The early Eart

h atmosphere formed mainly from gases spewed from volcanoes.
A)The early Earth atmosphere formed mainly from gases produced by cyanobacteria.
B)The current atmosphere contains more carbon dioxide than the earliest atmosphere.
C)Plants are responsible for bringing atmospheric oxygen up to its current level.
D)Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
Biology
1 answer:
xenn [34]3 years ago
3 0

Answer:

Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.

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Should people try to save wild populations of the Asian elephant? (Complete sentences says my teacher :/ )
Eddi Din [679]
Yes, people should try to save Asian elephants. They are hunted and killed for their tusks. These parts of their body are used for medicinal reasons. Many people “save” elephants by trimming off their tusks, making it so that killing the animal would be meaningless.

(Hope this is what you wanted, I learned this in a documentary forever ago.)

Short explanation: Elephants are in danger due to poachers, they hunt them for their tusks.

Don’t know how much you needed but here you go
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Explanation:

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alexgriva [62]

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D

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3 0
2 years ago
An example of chemical digestion is the breakdown of __________ into __________.
vodomira [7]
starch into glucose
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There are many more examples of chemical digestion which takes place in the body. Chemical digestion is the breaking of larger more complex molecules into smaller, simpler ones that can be taken up by the cells more easily and readily by the use of chemical agents.. Chemical digestion is carried out primarily using biological molecules called enzymes. For example, the breakdown of starch is done by an enzyme known as amylase, which is present in the saliva. 
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Eukarya

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