Which kind of galaxy has arms of gas and dust?

A. irregular galaxy

B. bar galaxy

C. sprial galaxy

D. elliptical galaxy
PLSSS HURRY

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal. not approve this project because the prisoners are merely a population of convenience for the student. approve this project since the superintendent is the ultimate authority on what happens in his facility. approve this project but submit it for federal review.

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.