Why do plants need nitrogen, potassium, and phosphorus

Nitrogen , potassium and phosphorus are required by plants in large quantities becauseall these three nutrients are very important for the growth and development. soil does not contain NPK so special fertilizers are added or mixed to the soil to add NPK to the soil.

Hope it helps :)

enzyme speed up the reactions

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics