Your right J is sexual reproduction, and K is asexual reproduction. But sexual reproduction requires the presences of a male and a female. But other asexual reproduction doesn't, and just requires sexual maturity. They produce offspring in the form of spores for example.
Both cycle occur within the atmosphere but the difference that they have is at the rate with which they occur. Phosphorus cycle is one of the slowest form of matter cycles that occur on earth as compared to the carbon cycle.
Answer:
Option(C): drinking water from streams and ponds