Examlex

Solved

What Element Was Found to Be Enriched in a Thin

question 20

Multiple Choice

What element was found to be enriched in a thin clay layer marking the Cretaceous-Tertiary boundary at several sites around the world?


Definitions:

Iodine Solution

A chemical solution used as a disinfectant, antiseptic, or in iodometry; it is known for its ability to kill bacteria and other pathogens.

Cervix

The entrance into the uterus.

Sterile Water

Water that has been purified and treated to remove all microbes and contaminants, often used for medical or laboratory procedures.

Related Questions