Final answer:
The FFA chapter officer responsible for community relations usually coordinates participation in local churches during National FFA Week.
Step-by-step explanation:
The individual responsible for coordinating FFA participation at local churches during National FFA Week is typically the FFA chapter's officer in charge of community relations or a similar position. This officer works to establish a presence in the community and engage with various local organizations, including churches, to promote awareness of FFA's mission and activities. During National FFA Week, it is crucial for chapters to be visible in their communities, and participation in church services or events can provide an excellent opportunity for outreach and to showcase students' achievements and the organization's values.