What minerals cause the earth magnetism

The minerals that cause the earths magnestism would be the core, which consists of the solid inner core, iron and that is surrounded by a liquid
, outer core composed of a nickel-iron alloy.

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached