Answer:
A
Explanation:
The line(A) goes throughout the entire picture. So therefore choice A would be it's length.
Answer:
1. A satellite is an object which has been sent into space in order to collect information or to be part of a communications system. Satellites move continually round the Earth or around another planet.
2. red giant
3.red giant.
Explanation:
B. number of oscillations in a given period of time.
