Sea lions use their back, hind flippers and front flippers to easily glide in the water.
Therefore, sea lions is the answer.
The amount of atomic mass between them
An amino acid is an organic molecule that is made up of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) that is unique to each amino acid.
Underwater Ways!
The Aquarius Reef Base is an underwater habitat 5.4 meters off Key Largo in the Florida Keys National Marine Sanctuary. It is deployed on the ocean floor 62 ft below the surface and next to a deep coral reef called Conch Reef.
(That is all I can tell you.)
The symbol Al+3 is a cation. Therefore giving us the correct answer being option B. cation.
Hope this helps! :)