The light from the cities makes it hard to see stars. The noise from the cities vibrates the telescopes. The power lines from the cities produce interference waves. The pollution from the cities reflects starlight.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Why are many telescopes used far from cities?
Possibilities:
- The light from the cities makes it hard to see stars.
- The noise from the cities vibrates the telescopes.
- The power lines from the cities produce interference waves.
- The pollution from the cities reflects starlight.

The light from the cities makes it hard to see stars.