The Oldest Layer in This Tilted Sequence of Sedimentary Rocks

question 59

Multiple Choice

The oldest layer in this tilted sequence of sedimentary rocks is

• A)at the top of the hill in the center of the photograph.
• B)the darkest layer.
• C)the layers on the lower left part of the photograph.
• D)the layers on the right of the photograph.

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Definitions:

DNA

DNA, a molecule responsible for carrying the genetic blueprints essential for the growth, development, operational processes, and reproductive functions in all recognized living beings and several viruses.

Molecule

The smallest unit of a chemical compound that can exist; composed of two or more atoms bonded together.

Genome

The complete set of genes or genetic material present in a cell or organism.

Adoption Studies

Research studies that compare adopted children to their adoptive families and biological families to understand the influence of genetic versus environmental factors on human development.