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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A. Carbon
It's carbon because it is in all plants and fossil fuels. Hope this helps and is correct.
Answer:
Climate change leading to increases in ocean temperatures, evaporation of seawater, and glacial and sea ice melting could create an influx of warm freshwater onto the ocean surface. This would further block the formation of sea ice and disrupt the sinking of denser cold, salty water.
Explanation:
True, pulmonary arteries carry the blood from the heart, while pulmonary veins return the blood to the heart.
