GROW TREES AND MAKE RAINFOROUR

ENVIRONMENT

ABOUTENVIRONMENT

THE WORD ENVIRONMENT

IS DERIVED FROM THE

FRENCH WORDENVIRONER.THE SURROUNDING

OF AN

ORGANISM, A COMMUNITY OR

AN OBJECT IS CALLED ENVIRONMENT.

IT CONSIST OF TWO CATEGORIES

BIOTICABIOTIC

ABOUT BIOTIC ENVIRONMENT

BIOTIC ENVIRONMENT

COMPRISES THE HUMANKIND ,PLANTS, ANIMALS AND OTHER

LIVING ORGANISMS.THIS ONE IS ALSO KNOWN AS LIVING OR BIOLOGICAL

ENVIRONMENT.

ABOUTABIOTIC

ENVIRONMENTABIOTIC ENVIRONMENT

COMPRISES LAND,WATER AND AIR. THIS IS ALSO

KNOWN AS PHISICAL OR

NATURAL ENVIRONMENT.

THERE ARE FOUR TYPES OF SPHERES IN

THE WORLD ARE;LITHOSPHEREHYDROSPHEREATMOSPHEREBIOSPHERE

ABOUT LITHOSPHERETHE SURFACE OF THE

EARTH IS MADE UP OF LAND AND

WATER.LAND COVERS ABOUT 29 PER CENT

AND WATER ABOUT 71 PER CENT OF THE

EARTH’S SURFACE.THE SOLID

OUTER LAYER OF THE EARTH,CONSISTING

OF VARIOUS ROCKS AND

MINERALS IS CALLED THE LITHOSPHERE. THE GREEK WORD LITHOS

MEANS ROCK.THE LITHOSPHERE INCLUDES

ALL TYPES OF LAND MASSES.

ABOUT HYDROSPH

ERE THE PRESENCE OF WATER IS A UNIQUE

FEATURE OF OUR PLANET. ABOUT 71 PER CENT OF THE EARTH’S SURFACE IS COVERED

WITH WATER.

WHEN ASTRONAUTS FIRST SAW THE EARTH

FORM SPACE , IT LOOKED BLUE DUE TO THE

PRESENCE OF WATER . SO THE EARTH IS ALSO CALED THE‘WATERY

PLANET ‘OR THE BLUEPLANET

WATER IS FOUND MOSTLY IN OCEANS,

SEAS,GULFS,BAYS ETC.

ABOUT ATMOSPHERE

THE AIR WHICH SURROUNDS THE EARTH IS CALLED

ATMOSPHERE. CONSIDERING THE DIMENSION OF THE

EARTH, THE ATMOSPHERE IS

RELATIVELY A THIN LAYER.

ITS EXACT THICKNESS IS NOT KNOWN AS

THERE IS NO SHARP BOUNDARY BETWEEN

THE ATMOSPHERE AND OUTERFSPACE. IT IS

ESTIMATED THAT THE UPPER LIMIT OF THE ATMOSPHERE IS AT AHEIGHTOF ABOUT

1,600 KM FROM THE MEAN SEA LEVEL .

ABOUT

BIOSPHERETHE EARTH HAS

FAVOURABLE CONDITIONS FOR THE

EVOLUTION AND SURVIVAL OF VARIOUS FORMS OF

LIFE. LIFE ON EARTH MUST HAVE ORGINATED IN THE NARROW ZONE, WHERE LAND,WATER AND AIR

MEET.

THE SPHERE OF LIVING ORGANISMS,WHERE

LITHOSPHERE,HYDROSPHERE AND ATMOSPHERE MEET AND INTERACT IS CALLED

THE BIOSPHERE.THE WORD BIOSPHERE HAS BEEN

DERIVED FROM THE GREEK WORD ‘BIOS’MEANING LIFE

AND THE LATINWORD ‘SPHERE’ MEANING TOTAL

RANGE

HOW TO PROTECT OURENVIRONMENT ?

DON’T DROP

LITTER. SAVE ELECTRICITY.SAVE TREES

BYRECYCLINGYOUR OWN PAPER.

Teach others about the importance of the environment and how they can help save rainforests.

Restore damaged ecosystems by planting trees on land where forests have been cut down.

Encourage people to live in a way that doesn't hurt the environment.

.

Establish parks to protect rainforests and wildlife.

Support companies that operate in ways that minimize damage to the environment.

T H

A N

K Y

O U

DONEBY

S.TEJASWINISUBASHRI

K.BHUVANESHWARI