1. It’s a challenge! - 2. Our changing planet » Стр.14 (1)

Unit 2. Our changing planet Vocabulary and Reading 1. In pairs, discuss the questions. Then read the article and check your ideas. 1. How old is the Earth? – Earth is more than 4 billion years old. 2. What’s happening to the Earth’s weather at the moment? – The Earths weather is changing. It becomes warmer.