C. Use the phrases to write sentences.

1. If I want bottled water, I will get a reusable water bottle.

2. If something is not natural, it’s not biodegradable.

3. If people understand that plastic isn’t biodegradable, maybe they will change the way they use it.

4. If something is biodegradable, I will recycle it. it’s not harmful to the environment.

5. If I have to use plastic, I will recycle it.

6. If you want to reduce plastic waste, don’t use single-use plastic.