Can someone me with this

i think it c but i'm not sure

What kind of sentence is the following example? before he started tp watch tv, he made sure that he had all of his favorite snacks (ice cream and chips), and he sure to get all of his homework finished.

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

The overwhelming majority of the peoples and nations of the world today want to live in peace