Contract

What does a CO2 car and a dog have in common.

1. Co2 cars and a dog are really fast.

2. Dogs and Co2 cars are loud when they are running.

3. Their colour because dogs and Co2 cars can have the same colours.

4. Power because they both use the most power that they have in them.

5. Hard because dogs are made of bones and meat and Co2 cars are made of wood.