Assinale a opção que contém os significados mais adequados para as palavras sublinhadas nos trechos abaixo:

I. The Illinois Smoke-free Restaurant Recognition Program recognizes those restaurants that have gone entirely smoke-free…(1^o Parágrafo).
II. Second-hand smoke is a combination of the smoke from a burning cigarette… (2^o Parágrafo).
III. More importantly, it represents a dangerous health hazard. (2^o Parágrafo).
IV. EPA estimates that approximately 3.000 American nonsmokers die…(3^o Parágrafo).