Posted by **rfvv** on Saturday, November 13, 2010 at 6:17am.

Scientists found a great way to use flowers for cars. The oil from some flowers can make cars run. 1) It needs a special engine. 2) It uses flower oil to run cars. 3) This is a great way to save money. 4) It also makes the air clean. Now flowers can be useful in many ways.

(What does each number refer to?)

1) It---

2) It---

3) This ---

4) It---

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