What three statements are true about all alloys

1. They are made from metals combined in equal amounts
2. They are good conductors of electricity
3. They are brittle

Iagree c would be 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.