In the Case of Ellen's Fear,identify the Reinforcement for Turning

question 19

Short Answer

In the case of Ellen's fear,identify the reinforcement for turning her head.________________

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Definitions:

Ice Cores

Cylinder-shaped samples from ice sheets or glaciers that scientists study to understand past climates.

Tree Rings

The concentric rings on the cross-section of a tree trunk, representing a record of a tree's age and the conditions under which it grew.

Paleozoic

An era in the geologic time scale, approximately 541 to 252 million years ago, marked by the early development of life, including the Cambrian explosion.

Geologic Timescale

A system of chronological measurement that relates stratigraphy to time, used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships between events that have occurred during Earth's history.