Answer:
Are Nag and Nagaina unfairly cast as villains
The answer is A hopefully it is correct
I think it would be an idiom or allusion. More towards an idiom though.
Um.... did you have a question?
Answer:
1. Astronaut should be brave, determined, adaptable, and smart.
2. The atmosphere should be clean because if it isn't it can cause problems to the environment. Like global warming, it is harming the planet and our weather, etc.
Explanation: