Marine Ecology is the scientific study of marine-life habitat, populations, and interactions among organisms and the surrounding environment including their abiotic (non-living physical and chemical factors that affect the ability of organisms to survive and reproduce) and biotic factors (living things or the materials that directly or indirectly affect an organism in its environment) (https://marinebio.org/conservation/marine-ecology/)
A scientist who studies earthquakes and the structure of the Earth through the study of seismic waves. (U. S. Geological Survey, 2009. Glossary. Living with a Volcano in Your Backyard–An Educator's Guide https://pubs.usgs.gov/gip/19/downloads/Appendixes/V_Glossary.pdf)
Ultrasonic transducers and ultrasonic sensors are devices that generate or sense ultrasound energy. (https://en.wikipedia.org/wiki/Ultrasonic_transducer)
Marine environments include estuaries, coastal marine and nearshore zones, and open-ocean-deep-sea regions. (ETC/CDS. 2000. General Environmental Multilingual Thesaurus. https://www.eea.europa.eu/help/glossary/eea-glossary/marine-environment)
A vinegar originating from Italy, made from a reduction of cooked white Trebbiano grape juice, and used as a condiment. It has been produced in Modena and Reggio Emilia since the Middle Ages. (http://en.wikipedia.org/wiki/Balsamic_vinegar)