B. In their haste to begin decorating a cake, a bakery worker uses a warm knife to cut the cake. Will this keep the cake from crumbling? No, cutting a warm cake requires an ice-cold knife.
Yes, it is the cold knife cutting the cake that causes it to crumble.
Yes, because the warmth of the knife will counteract the heat of the cake.
No, because the cake is not fully set and will fall apart with any type of knife.