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.
Ana is the simple subject.
subject predicate
My sister's friend Ana/plays soccer.
Internal conflicts are disagreements and problems that you have with yourself.
Examples
- Sarah is upset with herself because she spilled the milk on the table.
- Tom is angry at himself because he forgot to do his school assignments.
External conflicts are disagreements and problems that happen with other people or things.
Examples
- Ashley was mad at Diana for using all of her lip gloss
- Devin was mad at his teacher for not putting all of the grades in.
- Hope this helps!<3