Answer:
It's AUC.
Thymine is substituted by Uracile in RNA and it's complementary to Adenine. Citosine is complementary to Guanine
it must be the policy of the United States to support free people who are resisting attempted subjugation by armed minorities or by outside pressures.
Astronomy is the study of universe in a way, because it studies astronomical bodies and how they interact between eachother.
The objects they study can be comets, planets, stars, black wholes, asteroids, etc.
Hope it will,
BioTeacher101
(If you have any questions feel free to ask the in the comments)