Flood
A tornado is both. A calamity is a disaster. A tornado is a disaster that occurs naturally, and would thus be consideted a natural calamity or natural disaster.
Calamity is an event causing a disaster. There can be natural and man made calamities. Natural calamities are droughts, floods, etc. A man made calamity is war.
Hurricane Katrina was a natural calamity because it was so catastrophic.
earthquake
gujrat and maharashtra
Yes.
eloquence topic on effects / preventive measures of natural calamities
write short note natural calamities
coal
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y name is riya
Yes, Japan is prone to natural disasters. :)