The correct answer is letter D. they're convenient. The chief reason that family and friends are frequent targets of aggression is that (D) they're convenient. Aggression is he feeling of harmful in terms of social interaction with the intention or goal of damaging other individual. Family and friends have already made a big interaction between each other.
Repetition structures, or loops, are used when a program needs to repeatedly process one or more instructions until some condition is met, at which time the loop ends. Many programming tasks are repetitive, having little variation from one item to the next. Vectorized mathematical code appears more like the mathematical expressions found in textbooks, making the code easier to understand. That is the difference. Hope I could help you on Brainly.com!
