what is the TEMPERATURE, DENSITY, AND COMPOSITION of the mantle, outer core and inner core ?
who is the British physician who proposed that earth is like a giant magnet?
what are the branches of earth science?
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- The boundary separating these regions is called the Bullen discontinuity. The outer core, about 2,200 kilometers (1,367 miles) thick, is mostly composed of liquid iron and nickel. The NiFe alloy of the outer core is very hot, between 4,500° and 5,500° Celsius (8,132° and 9,932° Fahrenheit).
- He is remembered today largely for his book De Magnete (1600). A unit of magnetomotive force, also known as magnetic potential, was named the Gilbert in his honour....William Gilbert (physician)
- William Gilbert
Nationality English
Education St John's College, Cambridge (MD, 1569)
Known for Studies of magnetism, De Magne
Geology, oceanography, meteorology, and astronomy are the four main branches of Earth science. However, there are many other branches of Earth science. Environmental science is the study of how humans interact with the environment.
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The boundary separating these regions is called the Bullen discontinuity. The outer core, about 2,200 kilometers (1,367 miles) thick, is mostly composed of liquid iron and nickel. The NiFe alloy of the outer core is very hot, between 4,500° and 5,500° Celsius (8,132° and 9,932° Fahrenheit).
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