I think you forgot to add the options but based on my research, the correct answer to this question is "A relay is an electrical switch that works through electromagnetism." This statement about relays is correct. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Answer:
2. We probably won't find life on another planet.
3. My brother is likely to get married next year.
4. We will likely not use plastic bags in the future.
5. I'm likely not sure I will not learn how to drive until I'm 25.
Hope it helps and have a great day! =D
~sunshine~
Answer:
D The once-silver car had scratches and dents all over the rusted exterior.
Explanation:
Hope this helps.