7. Which type of galaxy has abundant gas available to form baby stars?
Elliptical Spiral Both Neither 8. Which type of galaxy is likely to contain both O-spectral type stars, as well as M-spectral type stars? Elliptical Spiral Both Neither Explain: _____
9. Which type of galaxy is likely to contain M-spectral type stars, but very few (if any) O- spectral type stars?
Elliptical Spiral Both Neither Explain: _____ 10. Which type of galaxy is likely to contain only O-spectral type stars? Elliptical Spiral Both Neither Explain: _____