Author Question: Which kind of star is highly unlikely to be found in the halo of the Milky Way? A) O star B) G ... (Read 78 times)

bucstennis@aim.com · **on:** Jul 27, 2018

Which kind of star is highly unlikely to be found in the halo of the Milky Way?

A) O star B) G star C) K star D) M star

Question 2

If a radioactive isotope that was injected into your bloodstream has a half-life of 5 hours, how many hours do you have to wait before the amount of this isotope in your body is its original amount?

A) 10 B) 5 C) 25 D) 20 E) 15