Question

Join the following pairs of sentences as directed :
a- Sachin is the best player. It is a fact. (Begin with ‘It is a fact”)
b- Dinesh has topped the school. Do you know? (Begin with “Do you know”).

Answer 1

Primary productivity varies from ecosystem to ecosystem because it depends on the plant species inhabiting the area and their photosynthetic activity. It also depends on various environmental factors like light, temperature, rain, etc., and nutrient availability which vary in different ecosystems.