What is the difference between drawing from observation and drawing from memory?

In picassos masterpeice bulls head which bicycle part makes up the bulls horn

Why is it so important for art critics to get their reviews published by the media? a. unpublished critics can work only in art galleries, not museums, b. people must be published before they can be accepted into programs to study how to become art critics. o c. once critics' reviews have been published, critics no longer have to promote themselves to become known, o d. if no one has heard of them, no one will care what they have to say about art.

True or false matisse was afraid to risk using wild colors in his work