Scientists believe it is the outer core, the inner core is solid. Electricity moving through wires cause magnetic fields. Charged particles stuck in the liquid core moving around mimic charged electrons in an electric current.
The way in which the Earth's core spins is believed to be the source of its
magnetic field.
a scientist should get the whole knowledge upto highest level of the field of science in which he wants to be a good scientist. i think the minimum level of a scientist is Ph.D in the required field.
A meteorology field is one Physicst and many more
Depending on where the scientist is studying, the scientist may shelter in a research station, or in a tent if the scientist is working in the field.
the first scientist was in this field was IBN AL HAITHAM
A scientist.
hagen
His field of study.
he was a scientist
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Wiz khalifa. the greatest scientist invented weeds!