I believe the correct answer is D, based on my general knowledge.
Hope I helped. ^ω^
Answer:changing one amino acid in the protein hemoglobin causes sickle-cell anemia
Explanation:
I just took the test
I wouldn't say that it was a specific country, but I guess you could technically say Italy. He did good for all of Europe though because of the Asian influences he brought back.
John F. Kennedy during the space race between the Soviet Union and the US.