gumantinr
1. has. 2. are. 3. undicates. 4. kinds. 5. volcanoes. 6. examples. 7. longest. 8. beneficial. soal kedua: 1) the benefits of mountains are the rock is used in the manufacture of building materials and volcanis heat is capable of generating electricity. 2) there are three of mountains according to the way of forming. 3) the process of forming of mountains takes hundreds of years. 4) the largest mountain chain in the world is the andes. 5) it refers to the andes.