Larry is taking a walk in the park. the pollen in the air makes him sneeze constantly. what line of defense is his immune system exhibiting? a. first line of defense b. second line of defense c. third line of defense d. fourth line of defense reset next

Which factors indicate that a gang is present in a community? select three options. an organized group commits criminal activity. a group of people wears the same-colored clothing. police list the isolated crimes of two different people. a group of people meets up occasionally at the local park. groups with unique names rule different regions of the community.