Across
- 2. we breath this
- 5. humans get this from food
- 7. changes color and determines if a base or acid
- 10. can dissolve some metals
Down
- 1. how do plants get their energy
- 3. gets energy from reactants
- 4. you use this to cure heartburn
- 6. this is in your body
- 8. human style photosynthesis
- 9. can have a bitter taste and be soapy