She gazed at the far horizon is is it a adjective or is it a adverb

Iquickly discovered that the tour guide, as well as the park rangers, were tired of people's abuse of the grand mesa's precious resources, which is protected by the state of colorado. current measures allow colorado to prosecute people who do not follow park rules. which verb in the students rough draft is incorrect and needs to be changed during the editing process? a. discoveredb. werec. isd. allow