The answer is bold dependent and underline independent. In addition to biology laboratory examination, independent variable is the most important variable in which this variable is manipulated in what the investigator differs in the experiment. Dependent variable in the experiment, one variable will be stately or calculated or experimental in reaction to experimental situations.
The cell membrane is the structure that separates a cell and its environment. The cell membrane is an important part of the cell that provides an essential function to the cell protecting the cell and determining what is passed in and out of the cell.
No you should tear down all of the power plants because it is a power source that can still go on without something attached to it