Listen to the following passage:
During the annual science fair held at the local community center, several students showcased their innovative projects. One project involved a model of a solar-powered car that emphasizes renewable energy benefits. Another student presented research on the effects of pollution on local wildlife, highlighting the importance of protecting our environment. Additionally, a group demonstrated an experiment on water filtration, which educated attendees on clean water access. The fair also featured interactive displays and workshops that engaged visitors and encouraged scientific inquiry among the younger audience.
Note: This question has been adapted from its original format to accommodate a reading-based version. In the official TOEFL exam, speaking and listening sections require verbal responses and audio prompts, which are not represented here. Please note that this adaptation may not fully reflect the nature or difficulty of the official exam. The audio feature for these sections will be available soon.
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