Answer :
A podcast is a collection of digital audio files that can be downloaded or listened to over the Internet. The characteristics of a podcast are it includes facts and it is an auditory modality.
What is an audio modality?
The classification of a single independent channel of sensory input or output between a computer and a human is referred to as a modality.
An audio modality is the ability to hear something.
The podcast includes the facts and is an auditory modality just like a radio.
Thus, the correct options are a and c.
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