Answer:
Government ownership of property
Explanation:
Government-owned property applies to property and perhaps other assets that maybe a required by government body is purchased legally by. Only at nation system, or municipal level, government-owned properties may well be designated that may or may not permit free public access.
They are called Cactus! I hope it helps ;)
I'm pretty sure the answer is D but it's been a while since I've studied this. 95% sure it's D though :)
If you're referring to streams/rivers of water that run independently of another source in the ocean these are referred to as "currents" and can be very powerful depending on their location.