In terms of the different types of stressful events, __________ are the most closely related to the

People who smoke as few as ________ cigarettes early in their lives stand an 80% chance of becoming habitual smokers

A) 10 B) 20 C) 1 D) 50

When children acquire at least a partial understanding of a word after hearing it only once, they are demonstrating ________

Fill in the blank with the appropriate word.