Combine the sentences using relative clauses with which.
The takeaway container is made of biodegradable material. This explains why it won’t harm the environment.
→ The takeaway container is made of biodegradable material, which won’t harm the environment.
The takeaway container is made of biodegradable material. This explains why it won’t harm the environment.
→ The takeaway container is made of biodegradable material, which won’t harm the environment.
Dùng “, which” để nối mệnh đề giải thích nguyên nhân hoặc kết quả.