Artists use foreshortening and overlapping to create in a work of art.
a. movement
c. realism
b. depth
d. mass

Artists use foreshortening and overlapping to create depth in a work of art.

The most familiar way, which artists’ use, of indicating depth is perspective. They use converging diagonal lines, foreshortening of forms, overlapping shapes, and scale. With all of these principles of perspective, the artists use shapes to create the illusion of depth. Foreshortening could be a technique employed in perspective to form the illusion of associate object receding powerfully into space or background. Whereas overlapping could be a technique within which one object covers a part of another object, the item ahead offers a better view to the viewer.

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

If your (k12) then it's all of them.i learned it the hard