Underline each preposition(hint: find the preposition by asking where or when about the verb a. a parrot chatted after dark b. six monkeys swung from branch to branch c. we hiked before breakfast

Which of the following sentences refers to a conflict between characters in "two kinds"?

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

What happens to lovers when there are decreased levels of serotonin in the brain?