Which Mode of Livelihood Has Characterized Most of Human Existence

question 18

Multiple Choice

Which mode of livelihood has characterized most of human existence?

• A)cannibalism
• B)pastoralism
• C)foraging
• D)agriculture
• E)horticulture

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Definitions:

Ladder Program

A graphical programming language resembling the rungs of a ladder, used for programming PLCs (Programmable Logic Controllers).

Disable Zone

A safety or control feature in machinery that temporarily disables operation in a specific area or zone for protection or maintenance purposes.

NC Stop Button

A normally closed stop button that interrupts a circuit or process when pressed, ensuring the circuit remains active unless explicitly stopped.

Field Wire

Refers to the electrical cabling and wiring used in the field or on-site installations, typically for connecting sensors, devices, or equipment to control systems.