a brief description about the mineral resources and food resources
TRANSCRIPT
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A POWER POINT PRESENTATION
ON MINERAL RESOURCES
&FOOD RESOURCES
BYERIN DAVIS
BIOTECHNOLOGY ENGINEERING
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MINERAL RESOURCE
S
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INTRODUCTIONThe world is now thought to be about 4.55 billion years old,
just about one-third of the 13.75-billion-year age
estimated for the universe.Birth rate:
19.15births/1,000 population (2011)
Death rate: 8.12 deaths/1,000 population
(July 2011)
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MINERAL RESOURCE
It is the class of non-renewablefinite natural resourcesolid inorganic substancesCharacteristic crystalline form Homogeneous chemical composition
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Is ice a mineral?....
Although liquid water is not a mineral, it is a mineral when it freezes. Ice is a naturally occurring, inorganic solid with a definite
chemical composition and an ordered internal structure
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Mineral Uses
Metallic
Iron Building industrial uses
Copper Alloys,electrical products
Gold Jewellery,Monetary purpose
Titanium Aircraft
Non-Metallic
Salt Metallurgy,chemicals
PotassiumSulphurAsbestos
Chemicals,fertilizersIron & steel industry,acidRoofing,insulation
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ADVERSE EFFECTS
• 40% of mining area is for waste disposal• Deforestation• Degradation of land• Air pollution due to emission of dust &
gases• Rehabilitation of affected population like
tribals• Adverse impact on historical monuments
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RESPONSES TO LIMITED AVAILABILITY
Find more sources Find substitute Recycle Use less & make more efficient use of what
is available
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FOOD RESOURC
ES
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INTRODUCTION
It is consumed to provide nutritional support for the body.
It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals.
HOW DO YOU KNOW CARROTS ARE GOOD FOR YOUR EYES?YOU NEVER SEE A RABBIT WEARING GLASSES !!!...
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CROPS
Cultivated plants or agricultural produce, such as grain, vegetables, or fruit, considered as a group: wheat & rice are common crop.
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Domestic animal are an important food source.Eg:- milk,meat
LIVESTOCK
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Aquaculture
• Aquaculture-where fish and shellfish are raised for food• Supplies 20% of world’s commercial food harvest• Fish & sea food contribute up to 1/2th of animal protein
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UNDERNUTRITION
• Undernutrition-Consuming
insufficient food to meet
one’s minimum daily energy
requirement for a long enough time to cause harmful effects
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MALNUTRITION
• Malnutrition-Faulty nutrition. • Caused by a diet that does not supply a persons with
enough protein, essential fats, vitamins, minerals and other nutrients
Diseases Maramus-lack of protein & calories. Kwashiarkor-lack of protein
• learning disability• failure to neural development
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OVERNUTRITION
An excessive intake of food, especially fats
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EFFECTS OF MODERN
AGRICULTU
RE
Salinity
FertilizersPesticides
Water logging
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Case study• Endosulfan, a highly toxic organochlorine
pesticide• (1978-2001 ) regularly 3 times per year in the
cashew plantations in Kasaragod • As early as 1979, new born -calves stunted and
deformed limbs • By 1990s serious health disorders began.• Children - mental retardation, physical
deformities etc. • Men and women-chronic ailments
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HEALTH EFFECTS OF ENDOSULFAN
36%
14%
8%25%
17%
Out of the total identified cases (4500)
Neurobehavioral & cognitive disorders
Endocrine & reproductive disorders
Cancer
Allergic diseases, skin & respiratory illness
Multiple congenital disorders (including skeletal deformi-ties)
multiple disorders
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THE END