Work in groups. Take turns to talk about the conditions you think are required for a planet to support human life. Use the information in 4 and your own ideas.
Example: There are some conditions planets must have to support human life on them. First, the most important condition is that ...
Tham khảo
There are some conditions that planets must have to support human life on them. First, the most important condition is that there must be enough liquid water on the planet. Second, the planet must hold an atmosphere. And the planet must have enough oxygen in the air for people to survive.