One reason may be because of they were being bullied so they want people to know how they felt like?
If the sentences after the question are multiple-choice, I believe it is the second sentence (New information is discovered that contradicts the existing theory).
Fish and seafood or marine sources are the highest food source of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Among the marine sources, fish such as salmon, herring, mackerel and anchovy have the highest content of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
<em>-DHA/EPA OMEGA-3 INSTITUTE
</em>
The answer to that question is c
The answer is 1. Ecosystem.