Answer:
scored
explaination:
not sure if that is correct .
Answer:
a series of recent post by astronauts.
Explanation:
this would be the most reliable source because it is first hand information, instead of people who havent visited space or traveled space.
If a person were using this source and the tables to which it refers to a primary source.
I think the answer is B) a primary source since in most research projects it's important to use primary instead of secondary sources!
~ Hope I helped & Good luck!