Critical Infrastructure and Homeland Security

Discussion Questions: Define critical infrastructure and key resources and describe their relevance to homeland security efforts. Of the 16 critical infrastructure sectors, pick one of the six below and describe the importance of information sharing to this sector. 

1. Chemical Sector 
2. Energy Sector
3. Food and Agriculture Sector
4. Healthcare and Public Health Sector
5. Transportation Services Sector
6. Water and Wastewater Systems Sector

Response must be 400 words or more APA style with references.