Answer: There are fossils found on either side of different continents and the continents look as though some are puzzle pieces that fit together.
Answer:
When an atom gains/loses an electron, the atom becomes charged, and is called an ion. Gaining an electron results in a negative charge, so the atom is an anion. Losing an electron results in a positive charge, so atom ion is a cation
Explanation:
Answerd the question : ion