The answers are as follows
Does the shape of the dewdrop depend on the temperature of the surface?
Is the material of the surface responsible for the shape of the dewdrop?
Does the shape of the dewdrop depend on the moisture in the atmosphere?
The other two answers are purely based on opinion, and does not actually effect the shape of the dewdrop in any way.
Answer:
Does the shape of the dewdrop depend on the temperature of the surface?
Is the material of the surface responsible for the shape of the dewdrop?
Does the shape of the dewdrop depend on the moisture in the atmosphere?
Explanation: