A group of atoms bonded together
Answer:
As of July 2017, the International Union for Conservation of Nature (IUCN) lists <em><u>455</u></em> critically endangered fish species. Hope this helps!
Natural selection is the process where organisms that are best suited to their environment survive and pass on their genetic traits in increasing number to successive generations. At the same time, organisms that are less adapted fail to survive or multiply at a lower rate, and tend to be eliminated from the ecosystem.
Hey Buddy here is ur answer :
Precipitation reactions occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate. Whether or not such a reaction occurs can be determined by using the solubility rules for common ionic solids.
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a spiral ending in a serpent head
