Which method of communicating a message might require attending and presenting at town halls? Producing a video or podcast

Being published in a newspaper or blog

Speaking at a public meeting

Organizing a protest or demonstration

Speaking at a public meeting

Explanation:

The method of communicating a message that might require attending and presenting at town halls is "Speaking at a public meeting."

This is because the public meeting can be done in large public places like the town halls.

On the other hand, Producing a video or podcast can only be done in a media studio

Being published in a newspaper or blog can be done anywhere that has necessary facilities or media houses

Organizing a protest or demonstration is done in public spaces like roads and government buildings.

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement