Agroup of concerned citizens are collecting water samples from a local river to detect the level of nitrogen in the water. they plan to take samples every day for a month and then will divide the sum by the number of days they sampled. what is the group trying to do?

When the framers our state's constitution began to create it, they looked to the u.s. constitution as a model. much like the national government, they created a state government in which each branch could keep the others from having too much power. for example, the state supreme court can- once a law has been passed and enforced- rule that the law violates the state constitution. if this happens, the law is no longer enforced. what principle of government is being described in this passage? a) federalism b) separation of powers c) checks and balances d) republican government