Cover of the textbook On Screen B1+ - Student's Book

The key answer of exercise 2

The key to exercise solutions in chapter Progress Check 2 for the textbook On Screen B1+ - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing

Question

Answer the questions in your own words.

Answer

  1. The writer saw a super-cell storm and three tornadoes on the tour. He was disappointed with the super-cell storm, but he was excited by the lightning storm. He was very excited by the tornadoes.
  2. When two different kinds of air meet with different temperatures and water content then a tornado can form. The winds from different directions form a funnel; which spins faster and faster until it hits the ground and forms a tornado.