This type of energy source is nonrenewable.

Energy can come from

This is a good way to collect and record peopkles opinions.

Any and all activities that need to happen for a system to produce an output

This is an example of a trend

Resources that are put into a system

The process part of putting together a radio production system would be ...

Pollution is also called an output

Process part of a system includes management

Capital is money, land, and equipment

This is the ability to do work.