Identify at least two ways that runoff can negatively impact an ecosystem.

Technological systems are sets of interconnected components that transform, store, transport, or control materials, energy, and/or information for particular purposes. In any system, how the parts work together is as important as their individual characteristics.

Important technological systems concepts include:

input, output, transformation, and control "black box" redundancy and reliability operational parameters.

System design, development, maintenance, and troubleshooting require the use of specialised language and representations.