Earth because the background info i worth the air it owns
The answer is that it was based on the belief that segregation was permissible as long as the facilities were equal. This is the reason why the Supreme Court’s ruling in Plessy v. Ferguson was problematic.
B, because she wanted his trust
I would go with B, or Ways to build immunity to diseases. Why? Well, just by using the word biology, we can use process of elimination. The prefix “bio” means life, so C and D already would be out. The suffix “ology” means the study of, so the word biology means the study of life. Because biology often has to do with diseases and finding cures to sustain human life spans, the only logical answer would be B. A would make no sense in terms of biology.
