OPT: (a). being distracted (b). chemical reaction (c). Electrical energy (d). cigarettes (e). smoking cigarettes (f). deoxyribonucleic acid (g). Allergies (h). harmful substances
Given those answer options, answer the question: Fact 1: Being distracted while driving can cause people to crash their car. Fact 2: Car crashes are the leading cause of death for children from birth to age 21. Given the two facts above, what can cause the leading cause of death for children?
A:
(a).