D Direction of motion I hope this helps
Answer:4)Wind energy can harm migrating birds.
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20.
Atomic number is equivalent to its protons and electrons. :)
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<h2>B i have to search it like 23 hours to find it but Thank you for sharing your question :)</h2>
Answer:
In a Lewis symbol, the symbol for the element is used to represent the atom and its core electrons. Dots placed around the atom are used to indicate the valence electrons. ... In 1916, Gilbert Newton Lewis, an American chemist, suggested that molecules were formed when atoms shared pairs of outer electrons.
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