B: 1. avoid sugar because it’s in so many foods; 2. are fighting back with healthier options. Sample Answer Key: Unit 2 (Call of the Wild) Reading 2A: Monkey Business Vocabulary Practice: A: 1. monkey; 2. trainer; 3. coconut; 4. rope

Before exploring where to find answer keys, it is crucial to emphasize ethical use. The intended purpose of any answer key is to support learning, not to circumvent it. Copying answers directly from a key before attempting an exercise defeats the purpose of the textbook, which is to improve your English skills through active problem-solving. True learning happens in the struggle to find the correct answer and the 'aha!' moment when you understand why it is right.

Vocabulary focused on history and travel. Animal Life: Focused on science and environment. Innovations: Focused on technology and science. 6. Tips for Success with Reading Explorer

Check your answers against the official third-edition key.

Each unit typically contains two reading passages (A and B) and a related video activity. Notable topics from the third edition include: