2. How many variables are tested in any controlled experiment?

What did justice brown’s verdict in plessy v. ferguson state?

People of french origin make up about of the canadian population. 23 percent 50 percent 1 percent 76 percent

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u.s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.