Answer:
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. ... Slate is frequently grey in color, especially when seen, en masse, covering roofs.
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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<span>d. Does sugar or salt have a greater effect on plant growth?
This question has measurable outcomes, that can be repeated and tested. </span>
The major differences are that fats are solid at room temperature while oils are liquid, and that oils are usually of plant origin while fats are of animal origin.
