You're researching a continent and have a political map. What are two elements you can learn from the political map?
A. Which nations are sovereign
B. How the land looks in a natural state
C. Boundaries between countries and states
D. Location of major rivers or large lakes

c and d i believe

Explanation:

the answer is option c.

explanation:

recycled water alludes to the water that being utilized again after it already  used for farming purposes.   this kind of water frequently contains pharmaceutical gathering due to the compound compost that is utilized for the plants is consumed into the water.