Introduction to Nutrient Cycling

Q. What are the different types of nutrient cycles found in nature ?

1. Gaseous
2. Sedimentary
3. Water
4. Oxygen cycle

Q. Choose the correct pair of nutrient and its reservoir:

1. Atmosphere
2. $\mathrm{Earth}\text{'}s\mathrm{crust}$
3. $\mathrm{Carbon}$
4. $\mathrm{Phosphorus}$
5. $\mathrm{Sulphur}$
6. $\text{Crust \& Atmosphere}$