Early Farming in River Flood Plains Resulted in a More

question 3

Multiple Choice

Early farming in river flood plains resulted in a more reliable harvest because of several reasons. What is NOT one of these reasons?

• A) Crops were less dependent on rainfall.
• B) River sediments deposited nutrients.
• C) Natural fertilization made a sedentary lifestyle possible.
• D) Governments were not centralized yet.
• E) Workers were more available in river basin areas.

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Definitions:

Dual-Circuit Foot Valve

A brake valve used in heavy vehicles that controls two separate air brake systems from a single pedal.

FMVSS-121

The Federal Motor Vehicle Safety Standard pertaining to air brake systems, ensuring safe stopping distances and reliability for heavy trucks and buses.

Pneumatically

Operating or moved by air pressure; often refers to tools, systems, or components that use compressed air to function.

Quick-Release Gladhand

A type of coupling used for connecting the brake lines between a truck and a trailer, designed for quick and easy connection and disconnection.