In the Two Photographs Below,A Shows Structures Within a Modern

question 17

Multiple Choice

In the two photographs below,A shows structures within a modern sand dune that are identical to the structures in the sandstone shown in B.Geologists interpret the structures in the ancient sandstone to be formed by the same processes as those that produced the structures in the modern sand dune.A geologist's ability to interpret these structures by comparing them to modern processes is an example of--------------------.

• A)paleontology.
• B)the nebular hypothesis.
• C)uniformitarianism.
• D)a systems approach.

---

Definitions:

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against infection, disease, and foreign substances.

Stress

A reaction of the body and mind to demanding situations, which can be positive or negative and affects physical and mental health.

Susceptibility

The likelihood or predisposition to be affected by something, particularly a disease or condition.

Osteoporosis

A bone disease that occurs when the body loses too much bone, makes too little bone, or both, making bones weak and more likely to break.