Study of Biogeochemical cycles is called Biogeochemistry. Its father is Vernadsky $(=Winodgsky)$. It involves
Cycling of energy
Cycling of gases
Cycling of nutrients
Cycling of water
Which of the following is the major source of phosphorus
Identify $Z$ in figure
Percentage of Photosynthetically Active Radiation (PAR) that is captured by plants in synthesis of organic matter is
If all the green plants were to disappears from the earth
Eutrophic lakes means