What is a tropical cyclone?
A rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has a closed low-level circulation
View source Verified on 16 September 2026
Answered
General Knowledge of Pakistan
A rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has a closed low-level circulation
The controlled biological decomposition of organic materials into a nutrient-rich soil amendment
Nitrogen and phosphorus
Excessive nutrient enrichment of water that can cause algal growth and oxygen depletion
It absorbs most of the Sun's harmful ultraviolet-B radiation