Fill in the blanks with appropriate words : (a) Hazards can be ____ hazard and ____ hazard. (b) The point where slip or rupture of plates takes place is called the ____ of the earthquake. (c) The word Tsunami means ____. (d) Cyclone is an atmospheric condition characterized by ____ circulation of air masses about a ____ ____ center. (e) ____  is a situation which occurs by acute deficiency of rainfall in a region. (f) The movement of soil, rock or other earth materials downhill by gravity is called a ____. (g) Forest fires may be of three types, ____ fire, ____ fire, and ____ fire.