Question

tomorrow i've a debate on the topic is there aliens really exist. Point out some questions that i can ask with my opponents in the favour that there is no aliens exist. Give some mind blowing questions not like 'do you see them' or have you any proof that they exist​

Answer 1

Answer:

could invisible alien really exist among us.

Have we already been visited by aliens.

If space alien are out there, why haven't we found them