Answer:
A.
Explanation:
because it studies the key word Astro which means astrophysics which is stars good luck
D. Course-grainedI believe................................
Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
I'm not even going to bother reading what the question is because I really don't care enough to look 3 inches to my left and read the question, so Im writing this to explain to you that your life sucks
