What is osmosis?
The movement of water across a selectively permeable membrane from a region of higher water concentration to lower water concentration
View source Verified on 16 September 2026
Answered
General Knowledge of Pakistan
The movement of water across a selectively permeable membrane from a region of higher water concentration to lower water concentration
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