Please help me with this question

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

Patrick’s parents are worried that he may face discrimination in his new neighborhood. which factor is most likely to cause worry to his parents? a. patrick has unusual pets at home. b. patrick belongs to a different culture than that of the majority group. c. both patrick’s parents hold jobs outside the home. d. patrick likes a particular sport.

When is it most common for humans begin to develop a sense of self worth? a. adolescence b. early childhood c. infancy d. late childhood