Across
- 1. synonym of quarter
- 4. making changes in something to improve it
- 7. an antibody that counteracts a toxin
- 10. synonym of disinfect
- 11. over the past year the earth has turned ___
- 12. the process of being formed
Down
- 2. rhymes with pharmacology
- 3. changing into something
- 5. a whole split into 2 equal parts
- 6. something students wear to school thats compulsory
- 8. a part of something
- 9. divide by passing or lying across each other