Sea Otters dive to the seafloor to obtain a variety of invertebrate animals. The most common prey of Sea Otters are sea urchins, mussels, abalone, clams, scallops, crabs, sea snails, chitons, octopus, and squid. An acute sense of touch, using paws, nose, and whiskers, is very important for finding prey in crevices or bottom sediments, and during dim light.
Who invented antimony? Antimony has been in use since the ancient Egyptian's used one its  minerals, stibnite (Sb2S3) as black eyeliner up to 5000 years ago.  Roman author Pliny described how heat â¦ ing this mineral formed what  he called lead. We now know that this was actually antimony.
People have been making use of antimonyâs compounds for thousands of years. We know that one of antimonyâs minerals, stibnite (Sb2S3), was used in Egyptian cosmetics four or five thousand years ago as a black eyeliner. (1) It is likely that the Roman author Pliny used the name stibium in the first century AD. We get the modern element symbol for antimony, Sb, from the word stibium.