A Sedimentary Unit with Hominid Fossils Is Discovered in Area

question 64

Short Answer

A sedimentary unit with hominid fossils is discovered in area of East Africa near the location of the stratigraphic sequence depicted in the figure below.These fossil-bearing gravels are inter-layered with sediments with a strong magnetic signal.If the magnetic polarity of the sediments is reversed then the age of the sediment is younger than _____ million years.

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Definitions:

Galactosemia

A rare genetic disorder characterized by the inability to metabolize the sugar galactose properly, leading to various health issues.

Pectin

A soluble fiber found in the cell walls of fruits and vegetables, used as a gelling agent in foods and potentially beneficial for gastrointestinal health.

Carbohydrates

Organic compounds, including sugars, starches, and cellulose, that are a major source of energy for the body.

Diaphragm

A muscular and membranous partition separating the thoracic cavity from the abdominal cavity, playing a major role in breathing.