Helium does, with francium having one of the lowest
Answer: c or a because they are water animals
Explanation:
<span>Primary sources are original materials. They are from the time period
involved and have not been filtered through interpretation or evaluation.
Primary sources are original materials on which other research is based. They
are usually the first formal appearance of results in physical, print or
electronic format. They present original thinking, report a discovery, or share
new information. </span>
