Match the following terms to their definitions.
(empirical evidence, independent variable, dependent variable, control, hypothesis)
1. the experimental factor that is changed by the scientist
2. data or facts that can be observed
3. the quantity in an experiment that remains unchanged
4. the variable that changes in response to experimentation
5. a proposed explanation for a scientific problem

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.

It gets more wisdom and they know more knowledge