11. What did Mahidol scientist get an award for? *
1. research on chemistry
2. research on birth control
3. research on a natural compound
4. research on hormones
12. What is the research finding useful for? *
1. drug use
2. medical care
3. advancement of chemistry
4. birth control
13. What does the word “inactive” mean? *
1. unlively
2. not able to work
3. staying away
4. dying