1. A regular publication presenting articles on a particular subject is
A. hypothesis
B. theory
C. journal
2. A vector carries the parasitic that causesschistosomiasis is
A. tsetse fly B. freshwater snails
C. liver fluk
D. peer review
D. nasal cavity
3. who worked to develop a vaccine using genetic engineering is
A. Professor Tilahun
Yilma B. DrTewolde BerhanGebre Egziabher
C. DrTsehayneshMeselle
D. DrBerhane Asfaw