How does the appropriate level of formality and tone differ across various websites?

a constant variable, normally called a controlled variable, is the term for a variable that remains constant throughout an experiment, though other variables may change. an example is the water pressure for a faucet when measuring the amount of water released when the faucet is opened to various increments.

racial profiling is the act of targeting a racial minority for a criminal investigation only based on the individual's skin color, and therefore the association of that person to a race or ethnic group.

criminal profiling on the other hand, is the practice hold by police enforcement members, in which they stop for questioning an individual based on his/her appearance and the similarity between them and a suspect the police is looking for. in this case, race can be used for criminal profiling, but eyes color, hair color, height, weight, type of clothes wearing, etc, are also taking in consideration.

i would say the bible, because the bible is true and it gives you hope, happiness, and peace for the future and it gives you answers if you have questions, along with stories, and how the world is going to end