Read This! When designing an experiment, you need to consider three types of variables. The independent variable
pendent variable. This variable is sometimes called the responding variable. In some cases more than
variables that you think may change the outcome of the experiment, but since they are not being studied.
they need to be kept constant in each trial.
"manipulated variable. The dependent variable is een changes as a result of the change in the inde
9. Identify the independent, dependent, and controlled variables for the experiment that produced
the data in Model 3.
Independent
Dependent
Controlled

What causes the phospholipids to organize themselves the way they do

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes

Creating new things to solve problems and improve life depends on the close interaction of which two fields?