WELCOME RAYAT SHIKSHAN SANSTHA VITA HIGHSCHOOL VITA SUBJECT
WELCOME
RAYAT SHIKSHAN SANSTHA VITA HIGHSCHOOL VITA
SUBJECT ENGLISH
SUBJECT TEACHER: : Miss-Maner R. R
STANDARD: 7 th DIV-C
TOPIC NAME: DEAD SEA
Dead Sea
Dead Sea Geographical Facts • The lowest point on earth, 400 m below sea level. • Formed 3 million years ago when a fracture occurred amidst the Jordan rift valley. • No form of life has been able to exist in its salty waters. • 32% salinity, the highest salt content of all seas' waters. • The Dead Sea contain 43 billion metric tons of salt. • Humidity: 50%. • Pressure: 795 mm. • Oxygen level: 10 times higher than that of any earth atmosphere. • Atmosphere: very dense. • UV rays: Filtered
• Magnesium Known for its anti-allergic influence on the skin and promotes healing. • Bromide Known for its soothing, relaxing and tranquilizing affect on the nervous system. • Iodine Important for the correct functioning of the thyroid gland an important factor in the body's metabolic exchanges. • Sulfur A natural disinfectant. • Potassium A moisture regulator.
Evaporation Ponds • The evaporation ponds in the southern portion of the dead sea are responsible for the production of Sodium Chloride and Potassium salts. In recent years there has been an increase in the demand of these chemicals for the production of polyvinyl chloride (PVC). • Average depth of these ponds are 4 meters. • http: //upload. wikimedia. org/wikipedia/commons/4/4 a/Dead _sea_ecological_disaster_1960_-_2007. gif
Red Sea – Dead Sea Canal � 1855 William Allen wanted to create a series of canals to channel water from the Mediterranean Sea to the Red Sea.
THANK YOU
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