What is one water conservation policy in california a.) city water district charge more to residence who use less water b.) residents can use drinkable water to clean their driveways only once a week c.) restaurants cannot serve water unless a customer request it d.) only water efficient appliances are sold in stores

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points.a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

Most goods that came into ancient rome traveled by what?

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?