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77julia77 [94]
3 years ago
5

What gases were in the second atmosphere? *

Chemistry
2 answers:
VikaD [51]3 years ago
8 0
H2O CO2 SO2 H2S HCI N2 NO2
Yuliya22 [10]3 years ago
7 0

Answer:

Second Earth's Atmosphere

The second atmosphere, which was the first to remain with the earth, was created by volcanic outgassing and comet ice. There was a lot of water vapor, carbon dioxide, phosphorus, and methane in this atmosphere, but absolutely no oxygen.

Explanation:

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nadezda [96]

Answer:

A mushroom is a heterotroph.

Explanation:

Mushrooms are fungi, which are heterotrophs because they depend on other organisms for their food.

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3 years ago
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This is the speed at which molecules or atoms move dependent on temperature and state of matter.
Lynna [10]
Molecular Motion<span> is the speed at which molecules or atoms move dependent on temperature and state of matter.

Explanation:

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3 years ago
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Please help asap thank you.
Aleks [24]

Answer:

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8 0
3 years ago
Which statements are true of all scientific endeavors? Check all that apply.
dybincka [34]
<span>Scientific endeavors is basically all the things that would contribute to the process of achieving a certain scientific knowledge, from the initial observation, up to the point until we can hold that certain thing as acknowledged truth.  So,

All scientific endeavors are supported by evidence.
All scientific endeavors are a systemic process.
All scientific endeavors involve observation.
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4 0
3 years ago
An element forms an oxide, E₂O₃, and a fluoride, EF₃.(b) How does the group to which E belongs affect the properties of the oxid
xz_007 [3.2K]

Of all the elements, fluorine is the most electronegative and reactive. Fluorine is a diatomic, pale yellow, extremely corrosive, combustible gas with a strong smell. The lightest halogen is it. It produces oxygen and the incredibly corrosive hydrofluoric acid when it combines strongly with water.

<h3>The properties of the oxide and the fluoride?</h3>
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  • Depending on where you reside in the UK, fluoride is a naturally occurring mineral that is present in water in variable concentrations. It is added to many types of toothpaste and, in some locations, the water supply through a procedure known as fluoridation because it can aid in the prevention of tooth decay.
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To know more about Fluoride please click here : brainly.com/question/10929330

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6 0
2 years ago
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