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aleksley [76]
2 years ago
15

How humans can utilise the carbon cycle

Chemistry
1 answer:
Advocard [28]2 years ago
5 0

Explanation:

Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere

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What is the balanced equation for H3PO4=H4P2O7+H2O
podryga [215]

Answer:

2H3PO4=H4P2O7+H2O

Explanation:

2H3PO4=H4P2O7+H2O

5 0
3 years ago
Which element is in the same family as Chlorine (Cl) and Fluorine (F)?
ValentinkaMS [17]

Answer/Explanation:

Chlorine and Fluorine are in the Halogen family. The elements in the Halogen family are:

Fluorine (F)

Chlorine (Cl)

Bromine (Br)

Iodine (I)

Astatine (At)

Tennessine (Ts)

Hydrogen (H) is a nonmetal

Oxygen (O) is a nonmetal

Lithium (Li) is an alkaline metal.

8 0
3 years ago
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inn [45]
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Question 19 of 26
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Answer:

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Explanation:

4 0
3 years ago
If an element contains 8 electrons how many electrons will be placed in the 2nd valence shell?
RideAnS [48]
If an element contains 8 electrons, then there would be 6 electrons that will be placed in the 2nd valence shell. Each shell in an atom can only take up a fixed number of electrons. For the first shell, only two electrons can be found. For the second shell, it can hold up to 8 electrons. However, for this case only six electrons can be found since the others are found in the first shell.
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3 years ago
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