Which letter completes the Russian phrase «свеж…й ветер»?

Question

Insert the missing letter and briefly explain the spelling: свеж…й ветер (“a fresh breeze”).

Explanation

The adjective свежий agrees with ветер: masculine, singular, nominative.

In this adjective's unstressed ending, и follows the sibilant ж: свежий. The question какой? helps identify the grammatical form, but its ending must not simply be copied into the adjective.