Unit 10: Planet Earth
Looking Back
Review vocabulary and grammar from Unit 10.
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Looking Back: Review
1Vocabulary Review
Key vocabulary from Unit 10:
Planet Earth:
- planet
- atmosphere
- climate
- ecosystem
- biodiversity
Environmental Issues:
- pollution
- global warming
- deforestation
- climate change
Natural Resources:
- renewable energy
- fossil fuel
- conservation
Actions:
- protect / preserve
- reduce / reuse / recycle
- combat / tackle
2Grammar Review: Non-defining Relative Clauses
Remember:
- Non-defining relative clauses have commas
- They provide extra information
- Cannot use 'that'
- Cannot omit the relative pronoun
- Use: who (people), which (things), whose (possession), where (places), when (time)