Read David s paragraph. [1] Imagine walking from Mexico to Canadal [2] Each year,

Read David's paragraph. [1] Imagine walking from Mexico to Canadal [2] Each year, hundreds of people attempt such a walk by hiking the Pacific Crest Trail through
California, Oregon, and Washington. [3] Rambling over 2,650 miles of rough and highly varled terrain, this long-distance trail traverses snow-clad mountains, parched deserts, and moss-draped rain forests. [4] Thru-hikers, who alm to make it all the way to the Canadian border, setting aside
about 5 months to complete their hike. [5] These hardy hikers may trek 20 or more miles each day!
Which sentence is a fragment?
1. sentence 1
2 sentence 2
3. sentence 3
4.sentence 4