Of the Following Numbered Units, Which Is the Youngest

question 113

Multiple Choice

Of the following numbered units, which is the youngest?

• A) unit 4
• B) unit 5
• C) unit 6
• D) unit 9
• E) unit 11

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Definitions:

Cooling History

The record of the cooling and solidification of magma or lava, which informs geologists about the thermal and crystallization processes of igneous rocks.

Mid-Ocean Ridges

Underwater mountain ranges, formed by plate tectonics, where new oceanic crust is created through volcanic activity.

Heating of Rock

The process of increasing the temperature of rocks, often leading to changes in physical and chemical properties.

Heat Transfer

The movement of heat from a warmer object to a cooler one, which can occur through conduction, convection, or radiation.