L 3.1.2 Quiz: Electrostatios XA
Question 1 of 10
When working with electric charges, what symbol is used in equations to
represent the electric force on an object?
O A.
OB. E
O C. Fe
O D. a
SUBMIT
Answer is C

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

Despite their crazy structure, human bones are surprisingly good!