What would be evidence of a galaxy moving toward earth?

Ithink the answer is a

I'll do it rn and then answer

Sublimation- which change of state is shown in model

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