What is the main purpose of vaccination?
To train the immune system to recognize and fight specific pathogens or diseases
View source Verified on 16 September 2026
Answered
General Knowledge of Pakistan
To train the immune system to recognize and fight specific pathogens or diseases
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