An object accelerates from rest to 105 m/s over a distance of 51 m. What acceleration did it experience? *

The answers would be: 1: the liquid only contains one compound4: the liquid is a pure substance

The answer is orbit around nucleus

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.

The correct answer is  ait's a process by which rocks and minerals undergo in their composition^o^