Surgical masks are not designed for use as particulate respirators and do not provide as much respiratory protection as an N95 respirator. ... Most surgical masks do not effectively filter small particles from the air and do not prevent leakage around the edge of the mask when the user inhales.
Answer:
Explanation:
Shading is using values to create the illusion of form and depth in two dimensional objects. For example, if you find a light source when drawing and shade from there, it’ll make the object have a more realistic, 3D look.
The defenition of form: the visible shape or configuration of something.