Bicycle?
bicycle
Geico, cycle,Disco
jackle, shackle, miracle, cycle
Motorcycle, cycle, bicycle. There aren't that many.
The water cycle
These are parts of the water cycle on the Earth.
Another name for the water cycle is the hydrologic cycle.
The water cycle is also called the hydro-logic cycle.
I don't know of any official poems on the nitrogen cycle, but I made this up really quickly. Nitrogen floats around the atmosphere, Then falls from the sky in rain that's clear it goes to the sewer then it turns to manure then returns to plants for animals near. It would be a pretty basic version of the nitrogen cycle, but nothing rhymes with any types of nitrogen-fixing bacteria.
Yes, water cycle ensure that we can have fresh water. It helps in recycling the water.
The rock cycle and water cycle both are natural.
water tide or.. anything that rhymes with slide: bananana