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Science Questions

For you

5 cards·by 007187
easy.scienceearth
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Ethanol
Corn, Barley, or Wheat
Reusable
It can be created at the rate it's used
Something that's once used, then it's gone forever
Non-Resuable
The main force acting on us
Gravity
What are the 4 elements of matter?
Solid, Liquid, Gas, and Plasma