Answer:
A plant has two organ systems: 1) the shoot system, and 2) the root system. The shoot system is above ground and includes the organs such as leaves, buds, stems, flowers (if the plant has any), and fruits (if the plant has any).
The correct answer is "to make laws" - answer D. You can see that it's connected to the laws because it's also the name of one of the three branches of the government (the legislative branch) which is responsible for making laws. (the other two : judicial: to judge and executive: to actually govern)
Well if the question just says river and lakes contain. The answer could be wildlife.