Answer:
That would be option C.
Step-by-step explanation:
I literally just took the quiz and got it right.
Answer:c)21
Step-by-step explanation:
i just took the quiz
Answer: Telescopes use lenses or mirrors to collect and focus waves from the electromagnetic spectrum, including visible light, allowing us to look at celestial objects. By studying the electromagnetic waves given off by objects such as stars, galaxies, and black holes, astronomers can better understand the universe.
Step-by-step explanation: