Answer for exercise 4
The solution for exercise 4 in chapter 5a - Reading of On Screen B1+ - Student's Book by Virginia Evans and Jenny Dooley
Question
In your own words answer the questions.
Answer
- Light pollution is when there is too much artificial light at night.
- It affects people and animals by interfering with natural cycles of sleep and activity and causes confusion and exhaustion.
- We can dim lights that we need and switch off lights that we don't need.