With over species, amphibians are the only modern descendants of an ancient group that gave rise to all other
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i believe it would be the lungs.

answer; ///i believe its: ///(embolus);

i need an image of the diagram

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called