Answer:
Ella sabe cocinar la pizza.
Explanation:
As I've said before, <em>saber </em>means to know a fact and <em>conocer </em>means to be familiar with something. In this case it's <em>saber </em>because 'ella' (she) knows how to cook the pizza. To know how to do something is <em>saber</em>.
<em>Hope this helps again!</em>
yo voy a la biblioteca
