A Cross Section of Earth Reveals a Layered Structure That

question 31

Multiple Choice

A cross section of Earth reveals a layered structure that has different thicknesses and densities. How do geologists know this?

• A) from drilling and digging down into the various layers
• B) from observing the characteristics of lava and gas issuing from volcanic vents
• C) from observing the transit times through Earth of seismic waves generated by earthquakes
• D) from comparisons with drill cores taken by robot spacecraft on Mars and Venus

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Definitions:

Schemas

Mental structures or frameworks that organize and interpret information from the world, influencing perception, memory, and understanding.

Stereotypes

Overgeneralized beliefs about a particular category of people, leading to assumptions about individuals based on their group membership rather than personal characteristics.

Norms

The rules or expectations that are socially enforced and guide behavior within a society or group.

Personal Space

The physical area surrounding an individual that is considered personal or private, often influencing social interaction and comfort levels.