This Graph Shows an Interpretation of Temperatures Based on the Change

question 24

Multiple Choice

This graph shows an interpretation of temperatures based on the change in isotopes in ice-core data.This graph implies that:

• A)current temperatures are by far the hottest based on this record
• B)atmospheric warming started as early as the late 1700s
• C)the coolest time period on this data set was from around 1500 to the last part of the 1700s
• D)all of these

---

Definitions:

Spark

Typically refers to a small but bright flash of fire or electricity, often used metaphorically to describe the initiation or inspiration of something.

Spontaneous Recovery

The reappearance of a previously extinguished response in the absence of further conditioning.

Extinct

A term describing a species, family, or larger group of organisms that no longer exists anywhere on Earth.

Conditioned Response

A response acquired through learning to a stimulus that was once neutral but has been frequently paired with a stimulus that elicits an automatic response.