If you can help, what’s the answer for this ??

At the beginning of canto ii, dante invokes the muses. what does dante promise he will do in return? tell of their greatness stop fighting and rest a while act as if he were the apostle paul be courageous in his fight to return to earth

The balance includes both the fees for service and the shipping charges. is this sentence incomplete or complete?

How can behavioral science be applied in improving public health? a.by tracking a disease to determine its sourceb.by creating promotions that improve health habitscboth by tracking a disease to determine its source and by creating promotions that improve health habitsd.neither by tracking a disease to determine its source or by creating promotions that improve health habits