Which practice is a sustainable way to manage resources
A. Displacing wildlife populations
B. Using energy-efficient lightbulbs
C. Using new plastic grocery bags only once
D. Pouring chemical wastes into soil

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Which of the following best summarizes the idea represented by this graph?

Which of the principles do you feel is more important for our our american society? respond in 3 sentences. (principals: popular sovereignty, republicanism, federalism, separation of powers, checks and balances, limited government, or individual rights)