How is coulomb’s law similar to newton’s law of gravitational force? how is it different

True.it is better to buy a washer with a higher efficiency rating

The answer is b.the gaseous state is electrically positive, while the plasma state is electrically negative. 

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.