GEOGRAPHY IMPORTANT KEY NOTES 3.

Ø  NATURAL RESOURCES ARE THOSE WHICH ARE DRAWN FROM NATURE AND USED WITHOUT MUCH MODIFICATION.

Ø  ACTUAL RESOURCES ARE THOSE WHOSE QUANTITY IS KNOWN TO US.EXAMPLE—RICH COAL DEPOSITS OF COAL IN RUHR REGION OF GERMANY.

Ø  POTENTIAL RESOURCES ARE THOSE WHOSE PRESENT QUANTITY IS NOT KNOWN TO US AND THEY ARE NOT BEING USED PRESENT DAY.EXAMPLE—URANIUM FOUND IN LADAKH.

Ø  ABIOTIC RESOURCES ARE NON-LIVING RESOURCES.  EXAMPLES— SOILS, ROCKS & MINERALS

.

Ø  BIOTIC RESOURCES ARE THOSE RESOURCES WHICH ARE LIVING.FOR EXAMPLE—PLANTS & ANIMALS.

Ø  RENEWABLE RESOURCES ARE THOSE WHICH GETS REPLENISH OR RENEWED QUICKLY LIKE SOLAR ENERGY AND WIND ENERGY.

Ø  NON-RENEWABLE ARE THOSE WHICH ARE LIMITED STOCK LIKE COAL , PETROLEUM AND NATURAL GAS.

Ø  HUMAN RESOURCE DEVELOPMENT MEANS IMPROVING THE QUALITY OF SKILL OF PEOPLE SO THAT THEY ARE ABLE TO CREATE MORE RESOURCES.

Ø  SUSTAINABLE DEVELOPMENT MEANS CAREFULLY UTILISING THE RESOURCES SUCH THAT BESIDES MEETING THE NEED OF PRESENT,ALSO TAKE CARE OF FUTURE GENERATION.

Ø  90% OF WORLD POPULATION OCCUPIES ONLY 30% OF LAND AREA.

Ø  MULCHING IS THE PROCESS OF COVERING THE BARE GROUND BETWEEN PLANTS WITH ORGANIC MATTERS SUCH AS STRAW WHICH HELPS TO RETAIN SOIL MOISTURE.

Ø  IN INTERCROPPING DIFFERENT CROPS ARE GROWN IN DIFFERENT ROWS AND AT ALTERNATE TIME TO PROTECT SOIL FROM RAIN WASH.

Ø  MINING IS THE PROCESS OF TAKING OUT MINERALS FROM THE ROCKS BURIED UNDER THE EARTH SURFACE.

Ø  OPEN CAST MINING—MINERALS THAT LIE AT SHALLOW DEPTH  THAT ARE TAKEN OUT BY REMOVING THE SURFACE LAYER.

Ø  SHAFT MINING--- DEEP BORES, CALLED AS SHAFT ARE MADE TO REACH THE MINERALS DEPOSITS THAT LIE AT GREAT DEPTHS.

Ø   DRILLING--- PETROLEUM AND NATURAL GASES LIES DEEP BELOW THE EARTH’S SURFACE. DEEP WELLS ARE BORED TO TAKE THEM OUT.

Ø  QUARRYING—MINERALS THAT LIE NEAR TO THE EARTH’S SURFACE ARE EASILY DUGGED OUT.

Ø  A GREEN DIAMOND IS THE RAREST DIAMOND.

Ø  THE OLDEST ROCKS IN THE WORLD ARE OF WESTERN 

Ø  CHILE AND PERU ARE THE LEADING PRODUCER OF COPPER.

Ø  AUSTRALIA IS THE LARGEST PRODUCER OF BAUXITE IN THE WORLD.

Ø  INDIA IS THE LARGEST PRODUCER AND EXPORTER OF MICA IN THE WORLD.

Ø  KOLAR IN KARNATAKA HAS GOLD DEPOSITS IN INDIA.