Answer:
The valence electrons have a role in the bonding of two atoms. The nuclei of each atom are drawn together by their attraction to the valence electrons of the other atom. As the atoms are drawn together by their attractions, electrons from each atom are drawn to the nuclei of both atoms, where they are "shared."
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The earth was once formed by molten layers of the earth and over time layers began to form due to the relative melting points. hope this helps :D
Answer:
Crust, mantle and core.
Water availability.
Volcanic eruptions.
Explanation:
The main similarities about Early earth and Modern earth is their layers of soil such as crust, mantle and core means that the both Early earth and Modern earth are made up of these three layers. At that time water is present in huge amount while on the other hand, in Modern earth water is also present in large amount as compared to land. Volcanic eruptions occurs in both early and Modern earth.
What things would result in population size change
Answer:
Education after high school. A bachelor's degree in agricultural science is required for jobs in research. ...
Work Experience. Previous work experience in a particular research area may be required for some jobs.
On-the-job training.
Explanation:
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