Depth is the
a. apparent distance from front to back in a piece of artwork.
b. distance or area between, around, above, below, and within objects.
c. degree to which the surface of an object seems to have a particular feel.
d. area of dark created when an object blocks light

Correct answer choice is :

A) Apparent distance from front to back in a piece of artwork.

Explanation:

Visual focus depth art is a kind of various media picture that places an importance on the use of the three-dimensional form to individual pieces of single one-of-a-kind art pieces to maintain individual interest in the work. It is a derivative of the collection, picture, and decollage. Depth is the obvious distance from front to back or near to far in a work of art. Methods of prospect are used to produce the image of depth in a two-dimensional picture. Design to prepare and provide all the parts of an artwork. Also, an established and creative combination of the components in a work of art.

The answer is A. Hope it helps

the first, second, and fifth options

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation: