Final answer:
The Federal Emergency Management Agency (FEMA) is primarily responsible for covering floods and other natural disasters, coordinating disaster relief and response, while the United States Geological Survey (USGS) provides essential scientific information about natural hazards.
Step-by-step explanation:
When addressing the question of which federal agency covers floods and other natural disasters the primary agency to consider is the Federal Emergency Management Agency (FEMA).
FEMA is charged with assisting state and local governments during natural disasters and coordinates various agencies to manage disaster relief and response efforts. In addition while FEMA is mainly responsible for disaster response and recovery the United States Geological Survey (USGS) serves a critical role in providing scientific information about natural hazards ecosystem health and the impacts of climate and land-use changes which can also be pivotal in disaster preparedness and mitigation strategies.