Antonyms for the word melt would be: Cool, freeze, solidify, gelled, and hardened.
Those words mean the opposite of melt, which is what an antonym is.
Hope I helped!
- Amber
If you are able to tell me what you want the answer to, I'm sure I can help you.
First "The", "International Space Station" and "June".
C. is correct becauae explaining the main idea is like a summary for the story