trace element

Dirt collected by a resident at the site showed selenium, a trace element that can be harmful in heavy concentrations, according to the results, which were reviewed by The Times.

The company began by building what its CEO Cameron Scadding calls a “fingerprint” which is unique to a country of origin - analysing the trace elements which the tomatoes absorb from local water and rocks.

While toxic in high concentrations, copper is essential to life as a trace element.

“An analysis of the jar’s trace elements should solve the question of what was inside when the vessel went under,” Dr. Sharvit said.

Fertilizers in the study showed different concentrations of trace elements, with higher levels observed in fertilizers from the U.S. and the Middle East compared to those from China and India.