Woo emphatically states one chocolate bar cannot ruin a child’s health

What do you think inspires people to come up with great inventions? explain in 4 sentences

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

Can someone give me the main topics discussed in english segment 2 dba ( lesson 3.09 )