Pioneer in a hydrosphere are

Pioneer in a hydrosere are

Match column I with column II and select the correct option from the given codes. {:("column I","Column II"),("Presence of 3-4 storeyed plant crowns in a forest",(i)"Blue green algae"),("A biome having grasses with scattered trees",(ii)"Stratification"),("Man made ecosystem",(iii)"Savannah"),("Pioneer in hydrosphere",(iv)"Dam"):}

What is hydrosphere?

The term biosphere, hydrosphere and atmosphere

What are hydrosphere, lithosphere and biosphere ?

Environment consists of (A) Atmosphere (B) Hydrosphere (C) Biosphere

Evolution of Atmosphere and Hydrosphere|Origin of Life|Questions