C. the motion of Earth around the center of the Milky Way.
Explanation:
As per the information given by the CBM which explains the background radiation that fills up the space and early stags of the development.
The universe of ration explains the motion of the earth around the centers of the milky way and was accidentally discovered by American radio astronomers n 1964. Its a landmark the shows the origin of the universe when it was young.
There are now many small soay sheep in Scotland because the winters are not as brutally cold as they use to be. The climate in Scotland has been warming therefore the sheeps of small stature can easily survive now in Scotland, which was not possible in earlier years.
