Which unit measures work? pound
joule
newton
meter

the lesson is Work and Machines

Ibelieve that the correct answer is: c. along plate boundaries

Hey did u get the answer?

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.

Well i am not very good at this but  i would be guessing 1hope i