IT IS FOUND THAT AMERICA HAS 20 ATOM BOMBS LIKE THE ONES WHICH DESTROYED HIROSHIMA AND NAGASAKI.

IF ANOTHER WAR TAKES PLACE WITH AMERICA IN IT, THIS COULD MEAN THE END OF THE WORLD…….

THE CHENNAI COASTLINE IS DECREASING DAY BY DAY DUE TO THE MELTING OF ICEBERGS IN THE POLAR REGION.

EVEN RECENTLY AN EARTHQUAKE CAUSING A TSUNAMI IN NORTHEASTERN JAPAN TOOK PLACE. DUE TO THIS TWO REACTORS EXPLODED .THIS HAS CAUSED A HEAVY TOLL OF LIFE AND LEAKAGE OF SOME RADIATIONS.

NATURAL

FLOOD

CYCLONE

EARTH QUAKE

VOLCANIC ERUPTION

GLOBAL WARMING

DEFORESTATION

WARS

POLLUTION

MAN-MADE

WARS ARE FOUGHT ON A LARGE SCALE WHICH CAUSES DESTRUCTION TO LIFE AND PROPERTY AND DISLOCATES THE INTERNATIONAL ECONOMY.

THEY ARE ON LAND AND SKY, ON SEA AND UNDER THE SEA.

THEY DISRUPT THE BALANCE OF NATURE BY JUST CAUSING THE DEATH OF ALL LIVING BEINGS PRESENT IN THAT AREA.

POLLUTION IS AN UNDESIRABLE CHANGE WHICH WE CREATE IN THE CHARACTERISTICS OF AIR,WATER,SOIL WHICH WILL HARM ALL LIVING THINGS.

THEY ARE BROADLY CLASSIFIED INTO

1. SOIL POLLUTION,

2. WATER POLLUTION,

3. LAND POLLTION,

4. AIR POLLUTION AND

5.NOISE POLLUTION

IT IS THE FELLING DOWN OF TREES UNSCRUPULOUSLY BY MAN FOR HIS OWN USE.

THIS DISTURBES THE BALANCE OF NATURE AS TREES PLAY A MAJOR ROLE IN MAINTAINING THE RATIO OF CO2 AND O2 IN THE ATMOSPHERE.

IT IS THE MOVEMENT OF TECTONIC PLATES WHICH CAUSES THE DISPLACEMENT OF THE EARTH’S SURFACE AND CAUSES HEAVY DESTRUCTION TO LIFE AND PROPERTY.

A FLOOD IS AN OVERFLOW OF WATER THAT SUBMERGES LAND.

FLOOD OFTEN CAUSE A HEAVY TOLL OF LIFE AND PROPERTY.

VOLCANO IS AN VENT OR AN OPENING IN THE EARTH’S CRUST THROUGH WHICH THE MOLTEN MAGMA AND GASEOUS ROCKS GUSHES OUT.

THE LAVA WHICH COMES OUT OF THE VOLCANO DESTROYS EVERYTHING IN ITS PATH.

A CYCLONE IS AN AREA OF CLOSE,CIRCULAR FLUID MOTION.

LARGE-SCALE CYCLONIC CIRCULATION ALMOST ALWAYS CENTERED IN AREAS OF LOW-ATMOSPHERIC PRESSURE .

KARTHICK.B

RAHUL.S

PAVITHIRAN .T.S.

NARENDRA AKHIL .A.S.

ADARSSH.M