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Answer:
People who are interested in the causes and cures of diseases
Explanation:
From the newspaper headline, the newspapers are trying to connect with people who have an interest in the causes, prevention and cure of diseases because the headline is celebrating World AIDS say.
AIDS is an acronym for Acquired Immune Deficiency Syndrome and is a disease that attacks the immune system of an infected person, weakening it and is an advanced form of HIV which has no medical cure as of time of writing.
Understanding texts with difficult words can be made easier by a study of all except entomology.
Entomology is a branch of zoology. It focuses on the study of insects.
The other options present expressions that would be useful for understanding difficult words:
- Affix is an element that we add to a word in order to change its meaning. It may be added to the beginning or the ending of the word.
- Etymology is the study of the origin of a word.
- Root words are those words that originate other words. For instance, the word "illegal" is originated from the word "legal".