Identify the type of system used for mass production. Tommy owns a toy factory and uses a in which all the machines and workers at workstations process each manufactured item in the same order. This system is suitable for mass production.

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Humans can affect weathering and erosion in several ways.  humans cause  increases in acid rain and pollution, which increase the amount of  weathering  agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution