In the sentence "Running alongside a truck is a threat to your safety" the words Running alongside is an _?

Asap! can someone give the answers ?

Plz (i only understand "the song of wandering aengus." and i have no idea what the raven means so i can't answer this. me i will give brainlest and a 5-star rating) consider the speakers in "the raven" and the speaker in "the song of wandering aengus." write two paragraphs to compare and contrast the voice in these two poems. how does the poet give the speaker in each poem a distinctive voice? what effect does this voice have in each poem? use examples from each poem to as evidence for your answer

•your english teacher has asked you to write a short three-page research paper. which topic is the most narrow? a. water pollution b. how lake pollution affects fish c. how water pollution affects seal d. pollution