Why before painting do we want the surface of the wood to be dry?

Yeah yeah but it’s not just the one I have to make a lot more stuff on it but I think I just got to go to the school to do it a lot I think it’s ok nice yeah I just got a little bit I don’t think it’s ok nice yeah I

Idid the quiz. the true answers to this question is  2.michelangelo used the hatching technique of drawing parallel line close together  1.leonardo used the sfumato technique of blending and blurring chalk so edges nearly dissapear3.van gogh used a variety of expressive strokes to create different surfaces and textures. to the above answer, i got it wrong. i have copy-pasted from the question, putting the answers here.i hope this .  ~rosy67read more on -