Which of the Following Best Characterizes How the Diameter of Earth's

question 179

Multiple Choice

Which of the following best characterizes how the diameter of Earth's core and the nature of the outer core were discovered?

• A)Crystalline iron was found in lavas erupted from the deepest known hot spots.
• B)by analysis of the P-wave and S-wave shadow zones
• C)because P-wave speeds are higher in the outer core than in the lower mantle
• D)by using the ratio of iron meteorites to stony meteorites to deduce the relative diameters of the core and mantle

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Definitions:

Data Table

The part of processor memory that contains input and output values as well as files where data are monitored, manipulated, and changed for control purposes.

Processor

A central part of any computer or device, responsible for interpreting and executing instructions; it acts as the brain of the system.

PLC Models

PLC Models refer to the various designs and types of Programmable Logic Controllers used in industrial automation for process control.