I think so the right ans is water
The excessive use of water for irrigation in dry climates, with heavy soils, causes salt accumulation because they are not washed out by rainfall. The practice of waterlogging without adequate drainage has also become a serious cause of soil salinization .
The more light absorbed, the quicker the photosynthesis rate.
Answer;
WHO
The WHO established guidelines for medical doctors conducting biomedical research involving human subjects.
Explanation;
-The World Health Organization (WHO) plays an essential role in the global governance of health and disease; due to its core global functions of establishing, monitoring and enforcing international norms and standards, and coordinating multiple actors toward common goals.
- The functions of WHO may be summed up as; to act as a directing and coordinating authority on international health work, to ensure valid and productive technical cooperation, and to promote research.
Pedalfer is the answer to your question
