What type of unhealthful air pollution occurs when ozone near the ground mixes with other polluting gases?

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

The pronunciation aid that determines the stress placed upon a syllable is the