Answer: Guys it is actually D. They monitor weather conditions and send out flood warnings.
Explanation:
Becaue NOAA provides timely and reliable information based on sound science to communities and businesses every day. From daily weather forecasts, severe storm warnings, and climate monitoring to fisheries management, coastal restoration and supporting marine commerce, Americans rely on NOAA. (I know that because I do a lot of reasearch for in High School!)
Reasoning - Your best bet and term to describe the evolution by natural selection is theory as to still scientific theory/research is still ongoing and changes can be made in a different direction.