Which choice most effectively uses information from the given sentenc…

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While researching a topic, a student has taken the following notes:
- Vexillology is the study of flags.
- The flags of many countries include symbols like animals, plants, or landforms.
- These symbols often represent an aspect of the region's history, culture, or landscape.
- The flag of Papua New Guinea includes a raggiana bird-of-paradise.
- The flag of El Salvador includes a palm branch.

Which choice most effectively uses information from the given sentences to make and support a generalization about symbols on flags?

Papua New Guinea's flag includes a raggiana bird-of-paradise, a symbol that is important to that country's national identity.

The flags of some countries include symbols of animals; Papua New Guinea's, for example, includes a raggiana bird-of-paradise.

Many countries feature symbols on their flags, and the study of these designs is known as vexillology.

Vexillology is the study of flags; accordingly, vexillologists are interested in flags from around the world.