Unit Briefing
Practice Set 5
Review the core sentences before starting the interactive session.
Targeted Vocabulary
1
How can we keep our oceans clean?
2
What is the ozone layer?
3
Why is the ozone layer important?
4
What is composting?
5
How can composting help the environment?
6
What is a greenhouse effect?
7
How does recycling paper help the environment?
8
How can we keep our oceans clean?
