Answer:you can…
Reduce And Reuse. ...
Don't Use Harsh Chemicals In Your Household. ...
Dispose Of Waste Properly. ...
Prevent Soil Erosion. ...
Maintain A Healthy Backyard Habitat. ...
Support An Organization That Fights To Save Endangered Species. ...
Explanation:
Or you can vote also.
ENERGY or gravity, also u could do a roller coaster thats shows gravity and energy
We ran out of fuel would be the correct answer - gas is too <span>ambiguous and could be understood and gasoline.</span>
<span>combustion will not burn</span>