The primary succession refers to the development of communities on a (a) forest clearing after devastating fire

a. Orderly and sequential

d. phytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, sedges, meadow and trees.

(ii) Fire is the result of a chemical reaction.

If water is sprayed onto an oil fire, then the oil will float to the top of the water and continue to burn. This can be very dangerous because water...

(d) Andaman and Nicobar Islands is rich in biodiversity. Different types of forests as Tropical Evergreen forests, Moist Deciduous forests, Mangrove forests, Littoral forests are found here.

(b) The trees in Monsoon Forests shed their leaves for about six to eight weeks in summer on account of a long dry spell. The rainfall suited for such forests...

Hint: Three essential requirements.  a. Fuel  b. Air  c. Heat to acquire the ignition temperature  The job of fire extinguisher is to cut off the supply of air or to bring down the temperature...

Hint:  • At high temperature, some times dry grass catches fire which spreads through out the forest.  • Camp fire may also be a reason.  • Human negligence.  • Lightening.