Answer:
White balance (WB) is the process of removing unrealistic color casts, so that objects which appear white in person are rendered white in your photo. Proper camera white balance has to take into account the "color temperature" of a light source, which refers to the relative warmth or coolness of white light.
Do you have a picture of this painting?
C how many beats in each measure
Musicians use a time signature to specify the number of beats in a measure (also called a bar).