The two carbon-sequestering methods that could reduce the impact of deforestation are afforestation and agriculture.
Carbon sequestering
- It is a process of capturing and storing the carbon dioxide gas of an atmosphere on a large scale.
- This is done to prevent adverse global climatic conditions
- The methods which can reduce the impact of deforestation are afforestation, wetlands, fertilizing ocean surfaces, agriculture, etc.
Afforestation
- Planting trees in the nonforest region or planting trees in the deforested region.
- By this more and more carbon dioxide gas will be absorbed by the tress from the atmosphere via photosynthesis and that will get involve in the carbon cycle.
- Help in re-establishing an ecosystem in the region and prevent soil erosion.
Agriculture
- Growing and planting crops which maintain carbon level of the soil, And along with absorbs carbon dioxide gas from the atmosphere.
- Will increase the concentration of oxygen gas in the atmosphere leading to prevent air pollution.
Learn more about carbon sequestering here:
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Answer: Homogeneous mixture
Explanation:
Homogeneous mixtures are those mixtures in which the dispersed phase is uniformly distributed throughout the dispersion medium. The dispersed phase has uniform composition throughout the dispersion medium and thus there is no physical boundary between the dispersed phase and the dispersion medium. Example: salt in water
Heterogeneous mixtures are those mixtures in which the dispersed phase is not uniformly distributed throughout the dispersion medium. The dispersed phase does not has uniform composition throughout the dispersion medium and thus there is a distinct physical boundary between the dispersed phase and the dispersion medium. Example: Sand in water
Answer:
The enthalpy change for the given reaction is 424 kJ.
Explanation:
We have :
Enthalpy changes of formation of following s:
(standard state)
The equation for the enthalpy change of the given reaction is:
=
=
The enthalpy change for the given reaction is 424 kJ.
The geosphere is about 99.94% of Earth's mass, so C is the answer.
Answer:
2. The metal would lose one electrons and the non metal would gain one electrons
Explanation:
An atom of a certain element reacts with the atoms of other elements in order to fullfill its outermost shell (called valence shell).
We notice the following:
- The elements in Group 1 (which are metals) have only 1 electron in their valence shell
- The elements in Group 17 (which are non-metals) have 1 vacancy (lack of electron) in their valence shell
This means that in order for both an atom of group 1 and an atom of group 17 to fullfill the valence shell, they have to:
- The atom in group 1 has to give away its only electron of the valence shell
- The atom in group 17 has to gain one electron in order to fullfill the shell
Therefore, the correct option is
2. The metal would lose one electrons and the non metal would gain one electrons