The Churning of Sediments by Organisms That Burrow Through It

question 69

Multiple Choice

The churning of sediments by organisms that burrow through it is ____.

• A) drift
• B) rounding
• C) sorting
• D) bioturbation
• E) varve

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Definitions:

PLC System

A Programmable Logic Controller system, which is a digital computer used for automation of industrial processes, such as control of machinery or factory assembly lines.

User Program

A sequence of instructions created by an end-user or developer, intended to be executed by a computer or another digital machine to perform specific tasks or solve problems.

Internal Operating Instructions

Detailed procedures or guidelines within a system or application, defining how specific operations should be executed.

Scan Process

The scan process in a PLC refers to the cyclical operation in which the system reads inputs, executes logic based on the program, and updates outputs, typically occurring in a rapid and continuous loop.