9. What is the topic of the text?
A. Biology
B. Astronomy
C. Technology
D. Environment
E. Entertainment
Baca Juga: Jawab Soal Materi Bahasa Inggris Kelas X, Mid-Term Test No. 14-15
Answer: B. Astronomy
10. Why is 21/Borisov called pristine comet?
A. It is very close to the sun.
B. It comes from a different solar system.
C. It has a very long tail.