Which statement about ddt best shows how science has been impacted by society?

a. ddt led to insect resistance.
b. ddt was considered harmful and was replaced by other pesticides.
c. ddt was the first modern insecticide.
d. ddt was used in wwii to control malaria and typhus.

Joni is evaluating her relationship with a peer. which characteristic indicates that she has a healthy relationship with that peer? she knows that her peer has a tendency to lie. she has concerns about how her peer dresses. she tends to break curfew when she is with her peer. she is able to calmly discuss issues with her peer.