Answer:
Location
Explanation:
Thai people are from Thailand and Philipinos are from the Philippines.
Answer: A, Yes.
Explanation: The subject, brother, and the verb, does, agree with each other.
Choice B is the best answer here. We have no way of knowing if people will ever be able to travel to other planets or stars, no matter the distance. This is something that the author is conjecturing on.
The other statements can all be backed up with scientific fact, which is included in the passage itself.