What distinguishes a permanent magnet from a temporary magnet?

Permanent magnet does not lose its magnetism while a temporary magnet stops its effect as soon as there is no current

Permanent magnet does not requires Current, whereas other one requires. It acts as a magnet as long as you don't stop the flow of current.

Hope this helps!

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.

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